--- title: QuerySurge Reviews meta_title: 'QuerySurge Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 37 reviews by the users' company size, role or industry to find out how QuerySurge works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 37 scale: '5' date_modified: '2026-07-24' parent_category: name: DevOps url: https://www.g2.com/categories/devops --- # QuerySurge Reviews **Vendor:** QuerySurge **Category:** [Automation Testing Tools](https://www.g2.com/categories/automation-testing-tools) **Average Rating:** 4.6/5.0 **Total Reviews:** 37 ## About QuerySurge QuerySurge is an enterprise-grade data quality platform that leverages AI to continuously automate data validation across your entire ecosystem ‐ from data warehouses and big data lakes to BI reports and enterprise applications. With AI-powered test creation, scalable architecture, and the leading DevOps for Data CI/CD integration, QuerySurge ensures data integrity at every stage of the pipeline. Automated Data Validation Use Cases: QuerySurge provides a smart, AI-driven, data validation & ETL testing solution for your automated testing needs. - Data Warehouse / ETL Testing - DevOps for Data / Continuous Testing - Data Migration Testing - Business Intelligence (BI) Report Testing - Big Data Testing - Enterprise Application Data Testing What QuerySurge Provides: - Automation of your manual data validation and testing process - Ease-of-use, low-code/no-code features - Generative AI capabilities for test creation - Testing across 200+ data platforms - Integration into your CI/CD DataOps pipeline - Acceleration of your data analysis - Ensurance of regulatory compliance Key Features: - Data Connection Wizard provides an easy way to link to your data stores - Visual Query Wizard builds table-to-table and column-to-column tests without writing SQL - Generative AI module automatically creates transformation tests in bulk - DevOps for Data provides a RESTful API with 110+ calls and Swagger documentation and integrates into CI/CD pipelines - Create Custom Tests and modularize functions with snippets, set thresholds, stage data, check data types & duplicate rows, full text search, and asset tagging - Schedule tests to run immediately, at a predetermined date & time, or after any event from a build/release, CI/CD, DevOps, or test management solution - Multi-project support in a single instance, new Global Admin user, assign users and agents, import and export projects, and user activity log reports - Webhooks provide real-time integrations with DevOps, CI/CD, test management, and alerting tools - Ready-for-Analytics provides seamless integration with QuerySurge and your BI tool or open-source Metabase to create custom reports and dashboards and gain deeper, real-time insights into your data validation and ETL testing workflows - Data Analytics Dashboards and Data Intelligence Reports track, analyze, and communicate data quality ## QuerySurge Pros & Cons **What users like:** - Users appreciate the **ease of use** of QuerySurge, facilitating efficient data testing and simplifying workflows with AI integration. (17 reviews) - Users value the **intuitive AI chat engine** of QuerySurge, which simplifies test creation and boosts productivity significantly. (12 reviews) - Users love the **automation capabilities** of QuerySurge, enabling efficient data testing and faster development cycles. (8 reviews) - Users appreciate the **powerful data handling capabilities** of QuerySurge, enhancing efficiency in large-scale data testing. (8 reviews) - Users praise the **easy setup** of QuerySurge, enhancing productivity and streamlining onboarding for teams. (8 reviews) - Users appreciate the **efficiency** of QuerySurge, streamlining data comparison tasks and enhancing productivity with its powerful features. (8 reviews) - Performance Efficiency (8 reviews) - Time-saving (7 reviews) - Users value the **comprehensive data validation support** from QuerySurge, enhancing migration processes and ensuring data accuracy. (6 reviews) - Reporting (6 reviews) **What users dislike:** - Users note the **limited data source support** in QuerySurge, requiring extra steps for JSON validation and reducing efficiency. (5 reviews) - Users note a **lack of support for JSON and REST API sources** , complicating the validation process for modern data pipelines. (5 reviews) - Users experience **inaccuracy issues** with differing failure counts, reducing clarity and complicating data validation efforts. (4 reviews) - Users often experience **slow performance** with QuerySurge, especially during complex operations and with large datasets. (4 reviews) - New users may find the **complex setup** of QuerySurge daunting, especially with advanced configurations and large datasets. (3 reviews) - Difficult Setup (3 reviews) - Learning Curve (3 reviews) - Poor Reporting (3 reviews) - Steep Learning Curve (3 reviews) - Users experience **alert overload** with multiple columns highlighted for minor differences, causing confusion and unnecessary verifications. (2 reviews) ## QuerySurge Reviews ### 1. QuerySurge Streamlines ETL Data Validation with Efficient SQL-Based Automation **Rating:** 5.0/5.0 stars **Reviewed by:** Kavyasri P. | Software Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** June 08, 2026 **What do you like best about QuerySurge?** What I like best about QuerySurge is its ability to simplify and automate ETL data validation. During my ETL certification, I found its SQL-based testing approach very efficient for comparing source and target data. The low-code interface saves time by reducing manual effort, and automation features improve consistency. Its clear reports also make it easy to identify data issues quickly. **What do you dislike about QuerySurge?** One area for improvement is the user interface, which can feel less intuitive at times, especially for beginners. Setting up more complex test scenarios can require a learning curve and deeper understanding of queries. Performance can also slow down when handling very large datasets. Additionally, better integration options and more detailed documentation would make it easier to get started and work more efficiently. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge solves the challenge of manual and time-consuming ETL data validation by automating data comparisons between source and target systems. It helps quickly identify data mismatches, ensuring accuracy in transformations and migrations. For me, it has reduced validation time, improved testing efficiency, and increased confidence in data quality. This automation also minimizes human errors and makes the overall ETL testing process more reliable. **Official Response from Bill Hayduk:** > Hi Kavyasri, Thank you for sharing your experience with QuerySurge. We’re glad QuerySurge helped automate ETL data validation, reduce manual effort, and make source-to-target comparisons more efficient and reliable. We also appreciate your feedback on the user interface, onboarding, documentation, integrations, and performance with very large datasets. These are helpful areas for us to continue improving. You will see, in the next release of QuerySurge (15.0), an update to the look-and-feel of the QuerySurge interface. Thanks again for your thoughtful review and for recognizing QuerySurge’s role in improving ETL testing and data quality confidence. Regards, Bill Hayduk CEO, QuerySurge ### 2. Useful for ETL data validation and saves manual effort **Rating:** 5.0/5.0 stars **Reviewed by:** Ashitosh S. | Software Engineer-Data/ETL Testing , Computer Software, Enterprise (> 1000 emp.) **Reviewed Date:** April 27, 2026 **What do you like best about QuerySurge?** I’ve been using QuerySurge mainly for ETL testing in a data integration project. Before this, we were doing a lot of manual query checks between source and target tables, which was very time-consuming. With QuerySurge, I’ve been able to automate those comparisons and run them repeatedly without having to rewrite the queries each time. One feature I’ve found especially useful is the way it clearly highlights mismatched data, which makes it much easier to debug issues. And once the test suites are set up, they can be reused across cycles, saving a good amount of effort overall. **What do you dislike about QuerySurge?** The initial setup took me some time to understand. As a new user, it wasn’t very straightforward to figure everything out, especially the configuration-related parts. A few simpler examples or clearer onboarding would make it much easier to get started. **What problems is QuerySurge solving and how is that benefiting you?** It helped reduce the manual effort involved in validating ETL data. Rather than writing and running queries each time, I was able to automate the process and spend more time analyzing the results. It also helped me catch data mismatches early, which made the overall testing process smoother and more effective. **Official Response from Bill Hayduk:** > Hi Ashitosh,ha We’re glad to hear that QuerySurge helped automate your ETL testing process and reduce the manual effort involved in source-to-target data validation. It’s great to know that reusable test suites and clear mismatch reporting made it easier to identify issues early and improve the overall testing cycle. We also appreciate your feedback on the initial setup experience. We understand that configuration can take time for new users, and your suggestion for simpler examples and clearer onboarding is helpful. We're currently working on helper videos to improve the process (see url below). Thanks again for your review and for choosing QuerySurge for your data integration testing needs! Regards, Bill Hayduk CEO ### 3. Streamlined ETL Certification Journey **Rating:** 4.5/5.0 stars **Reviewed by:** Anil Kumar B. | Software Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** April 25, 2026 **What do you like best about QuerySurge?** I used QuerySurge mainly for my ETL tester Certification, and I loved how the platform provided clear course pathways to guide my learning. The structured modules allowed me to learn ETL testing step by step, reducing confusion by offering focused learning material for certification. The study material was well organized and easy to understand, making it clear what topics to focus on for the certification. Practice concepts and the exam flow aligned well with real ETL testing concepts, making learning and certification preparation smooth and effective. Additionally, the initial setup was very easy. **What do you dislike about QuerySurge?** Some topics could be explained in more depth for beginners and More hands-on practice with real world ETL scenarios and sample datasets would be very helpful. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge structured my ETL learning and guided me through certification with organized modules and clear study material, reducing confusion and making exam prep smoother and more confident. **Official Response from Bill Hayduk:** > Hi Anil, Thank you for sharing your feedback, and congratulations on getting your ETL tester certification! We’re glad to hear that QuerySurge provided a clear, structured learning path that helped make ETL testing concepts easier to understand. It’s great to know that the course modules, study material, and exam flow reduced confusion and gave you more confidence during certification preparation. We also appreciate your suggestion to add more depth for beginners and to include additional hands-on practice with real-world ETL scenarios and sample datasets. That is helpful feedback as we continue improving the learning and onboarding experience. Thanks again for your review and for using QuerySurge as part of your ETL testing certification journey. Regards, Bill Hayduk CEO ### 4. Boosted ETL Validation Skills with Ease **Rating:** 5.0/5.0 stars **Reviewed by:** Indrasena Reddy M. | Analyst, Mid-Market (51-1000 emp.) **Reviewed Date:** April 23, 2026 **What do you like best about QuerySurge?** QuerySurge is great for its powerful automation of ETL data validation, helping me simplify complex source-to-target comparisons and make them reliable. I really appreciate its user-friendly interface and detailed reporting features, which make identifying and analyzing data issues easier and faster. The initial setup was very easy, so much so that a 10-year-old could understand it. The tool significantly reduced the manual data-validation effort, quickly detecting mismatches. Lastly, earning my certification using QuerySurge boosted my confidence and positively contributed to my professional growth. I would rate my likelihood to recommend it as a 10 out of 10. **What do you dislike about QuerySurge?** A potential improvement for QuerySurge would be enhancing flexibility in customizing test scripts and optimizing performance for very large datasets, as this could make advanced ETL validation even smoother. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge simplifies ETL data validation, reducing manual effort by automating source-to-target comparisons. It identifies data mismatches and issues, improving accuracy and efficiency in testing. The tool's intuitive interface and detailed reporting enhance my data testing confidence and contribute positively to my professional growth. **Official Response from Bill Hayduk:** > Hi Indrasena, Thank you for the detailed review and the 5-star recommendation! We’re glad to hear that QuerySurge helped simplify ETL data validation, reduce manual effort for source-to-target comparisons, and make mismatch detection faster and more reliable. It’s also great to hear that the easy setup, user-friendly interface, detailed reporting, and certification experience helped build your confidence and support your professional growth. We appreciate your feedback on script customization and performance optimization for very large datasets. Scalability and flexibility are important to us, and input like this helps us continue improving QuerySurge for advanced enterprise data validation needs. Thanks again! Regards, Bill Hayduk CEO ### 5. QuerySurge Automates End-to-End Data Validation with Fast Comparisons and Rich Reporting **Rating:** 4.5/5.0 stars **Reviewed by:** Tarun B. | Software Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** May 25, 2026 **What do you like best about QuerySurge?** The most helpful aspect of QuerySurge is its ability to automate end-to-end data validation and ETL testing, which significantly reduces manual effort and improves accuracy. Key upsides include fast data comparison between source and target systems, support for multiple data platforms, and integration with CI/CD pipelines. It also provides detailed reports, dashboards, and AI-driven test creation, helping teams quickly identify data issues and ensure high data quality. **What do you dislike about QuerySurge?** One downside of QuerySurge is that it can have a steep learning curve for beginners, especially when dealing with advanced configurations and complex data environments. The setup and implementation process can also be time-consuming and may require strong data engineering knowledge. Additionally, it is an enterprise-level tool, so licensing costs can be relatively high and may not be suitable for smaller teams or simpler use cases. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge helps solve the problem of ensuring data accuracy and consistency across complex ETL pipelines and data migrations. In many projects, validating large volumes of data manually is time-consuming and prone to errors. QuerySurge automates this process by comparing source and target data quickly and efficiently, helping identify mismatches, missing data, or transformation issues early. This benefits me by saving time, reducing manual effort, increasing confidence in data quality, and ensuring that business reports and analytics are based on reliable and accurate data. **Official Response from Bill Hayduk:** > Thank you for the detailed review and for highlighting so many important aspects of QuerySurge. We’re pleased to hear that the platform is helping your team automate end-to-end ETL validation, reduce manual effort, and improve confidence in data quality. Fast comparisons, broad platform connectivity, CI/CD integration, detailed reporting, and AI-driven test creation are all areas where we continue to invest heavily, so it’s great to see those capabilities providing real value in your environment. We also appreciate your honest feedback regarding the learning curve and implementation complexity. Enterprise-scale data validation often involves sophisticated environments, and we recognize that advanced configurations can require strong technical expertise. Improving onboarding, simplifying setup, and making advanced capabilities more accessible remain important priorities for us. We are continuing to enhance documentation, training resources, usability, and AI-assisted functionality to help accelerate adoption and reduce complexity for newer users. Also, we offer pay-as-you-go pricing for QuerySurge on Azure and AWS for short-term projects and greater flexibility. It’s especially rewarding to hear that QuerySurge is helping your team identify data issues earlier, reduce risk in ETL and migration projects, and ensure more reliable analytics and reporting. Thank you again for taking the time to share your experience and insights. ### 6. Revolutionized Our ETL Testing Process **Rating:** 5.0/5.0 stars **Reviewed by:** Venkat S. | Software Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 28, 2026 **What do you like best about QuerySurge?** I really like QuerySurge's powerful automation for source-to-target data validation, which significantly reduces manual SQL effort. Its easy-to-use dashboards and detailed reporting make it simple to identify and communicate data issues quickly. The automation helps me reuse and schedule test cases, speeding up regression testing. Additionally, the dashboards provide a clear, centralized view of test results and failures, making it easy to track data-quality issues and share insights with stakeholders quickly. I find the initial setup beginner-friendly. **What do you dislike about QuerySurge?** QuerySurge can have a steep learning curve especially when setting up complex test scenarios compared to writing plain SQL. The cost and occasional UI performance issues can also be challenging for smaller teams or large test suites. Additional challenges include time-consuming initial setup when connecting multiple data sources and configuring environments. Improved error messaging and CI/CD integrations, along with more flexible licensing for small teams, would enhance usability. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge for automated ETL and data-warehouse testing, which ensures data accuracy and reduces manual validation efforts. Its automation catches data mismatches early, and its dashboards centralize test results, speeding up regression testing and simplifying data quality issue tracking. **Official Response from Bill Hayduk:** > Hi Venkat, Thank you for sharing your detailed feedback on QuerySurge. We’re glad to hear that QuerySurge is helping you automate source-to-target data validation, reduce manual SQL effort, and accelerate regression testing. It’s great to know that the dashboards and reporting capabilities are making it easier to identify failures, track data-quality issues, and communicate results with stakeholders. We also appreciate your comments on areas for improvement. We understand that more complex test scenarios, multi-source setup, UI performance with larger suites, error messaging, CI/CD usability, and licensing flexibility are important considerations. Feedback like this helps us continue improving the product experience for teams of different sizes and maturity levels. Thanks again for using QuerySurge for your ETL and data warehouse testing needs. We’re pleased to hear it is helping you catch data mismatches earlier, centralize validation results, and improve confidence in your data quality. Regards, Bill Hayduk CEO ### 7. Great for Learning ETL Testing, Needs Easier Start for Beginners **Rating:** 4.0/5.0 stars **Reviewed by:** bharath kumar c. | Software Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 27, 2026 **What do you like best about QuerySurge?** I like QuerySurge for its ability to easily compare source and target data, making it easy to find mismatches and validate ETL data. This feature made understanding ETL testing concepts clearer and data validation more structured and efficient, especially during my exam preparation. The source-to-target comparison helped me quickly check whether data is correctly moved and transformed during the ETL process, which added value for both learning and exam preparation. **What do you dislike about QuerySurge?** One thing that could be improved in QuerySurge is the learning curve for beginners, as it takes some time to understand the tool initially. Also, setting up tests and environments can feel a bit complex at first. Clearer guidance or more beginner-friendly examples would make it easier to get started. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge helps me learn ETL testing by validating data, identifying mismatches, and understanding ETL concepts like source-to-target comparisons. It makes data validation structured and efficient, aiding my preparation for the Certified ETL Tester exam. **Official Response from Bill Hayduk:** > Hi Bharath, Thank you for sharing your experience with QuerySurge. We’re glad to hear that the source-to-target comparison capabilities helped make ETL testing concepts clearer and supported your Certified ETL Tester exam preparation. We especially appreciate your comments about structured data validation, mismatch identification, and understanding how data is moved and transformed through the ETL process. These are core areas where QuerySurge is designed to help users build confidence and efficiency. Your feedback on the beginner learning curve is also valuable. We are always looking for ways to make onboarding, setup, and early test creation easier through clearer guidance, examples, training resources, and product improvements. See an example of te types of demos we are beginning to use in the link below. Thanks again for your thoughtful review and for using QuerySurge as part of your ETL testing journey. Regards, Bill Hayduk CEO ### 8. Strong ETL Validation Tool with Limited JSON Source Support **Rating:** 4.5/5.0 stars **Reviewed by:** Rakshith N. | Data quality Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** January 20, 2026 **What do you like best about QuerySurge?** I evaluated QuerySurge using the trial version to understand how well it supports real-world ETL and data validation scenarios. From a structured data perspective, QuerySurge is a very solid platform. It provides strong connectivity to a wide range of enterprise systems including databases like Oracle, SQL Server, Snowflake, Teradata, Redshift, and also BI tools such as Power BI, Tableau, Cognos, and SAP Web Intelligence. The interface for building source-to-target comparisons, validations, and reconciliation checks is intuitive and clearly designed for data warehouse and analytics testing teams. **What do you dislike about QuerySurge?** My primary use case, however, involves validating modern data pipelines where the source data is in JSON format, coming from APIs or application systems, and the target is a relational database or data warehouse. This is a very common pattern in today’s data architectures. During my evaluation, I found that QuerySurge does not support JSON files or REST API responses as a native data source. The available source types are mainly limited to databases, BI tools, and flat files like CSV or Excel. Because of this, JSON data must first be transformed and loaded into a database before QuerySurge can be used, which adds extra steps and reduces the effectiveness of true source-to-target validation. It is not a dislike but its a gap. **What problems is QuerySurge solving and how is that benefiting you?** The platform is quite powerful overall. Its automation, scheduling, and reporting capabilities are well suited for regression testing and ongoing data quality monitoring. For teams that work primarily with structured databases and BI systems, QuerySurge is a strong, reliable solution. That said, for teams building modern, API-driven and JSON-based pipelines, the lack of native support for JSON and other semi-structured data is a noticeable gap. **Official Response from Bill Hayduk:** > Hi Rakshith, Thanks for the thoughtful review and for evaluating QuerySurge in real-world scenarios. We’re glad you found QuerySurge strong for structured data validation, with broad connectivity across enterprise databases and BI tools, and an intuitive interface for source-to-target testing, regression, and ongoing data quality monitoring. You’re also right to point out the current gap around native support for JSON and REST API sources. While many teams land semi-structured data into a database as part of their ingestion process, we recognize that this adds steps and can limit true end-to-end validation for API-driven pipelines. This is an area we actively listen to customer feedback on as we continue to evolve the platform. We appreciate you taking the time to share both the strengths and the gaps in your evaluation. Regards, Bill Hayduk CEO ### 9. Powerful Data Testing Made Effortless with QuerySurge **Rating:** 5.0/5.0 stars **Reviewed by:** Suleena S. | Quality Assurance Lead, Small-Business (50 or fewer emp.) **Reviewed Date:** January 12, 2026 **What do you like best about QuerySurge?** QuerySurge is an extremely powerful automated data testing platform that excels at handling large volumes of data, complex validations, and transformation checks in seconds. It allows us to validate source-to-target data, aggregates, and business rules efficiently, even across very large datasets that would be impractical to test manually. One of the standout features is the AI chat engine, which significantly simplifies test creation. It helps generate query pairs quickly and accurately, reducing the effort required to write and maintain complex SQL. This has been especially helpful for accelerating test development and onboarding new team members. The tool is also easy to use and well accepted by both QA and technical teams. The interface is intuitive, test results are easy to interpret, and the reporting clearly highlights mismatches and failures. Overall, QuerySurge enables faster feedback cycles and increases confidence in data quality across ETL and reporting processes. **What do you dislike about QuerySurge?** As with most enterprise tools, there is a learning curve at the beginning, particularly for users who are less familiar with SQL or data validation concepts. Some advanced features require deeper product knowledge to use effectively, but once learned, they provide significant value. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge helps us automate large-scale data validation and transformation testing, which drastically reduces manual effort and testing time. It allows us to identify data issues early, validate complex business rules consistently, and ensure data accuracy across systems. This has improved overall data quality, shortened testing cycles, and increased trust in downstream analytics and reporting. **Official Response from Bill Hayduk:** > Hi SUleena, Thank you for the thoughtful and detailed review. We're glad to hear that QuerySurge is helping your team validate large, complex datasets quickly and reliably, especially for source-to-target checks, transformations, and business rules that are difficult to test manually. It's also great to see the AI chat engine making a real difference for test creation, onboarding, and ongoing maintenance. Accelerating test development while keeping SQL manageable is a key goal for us, so your feedback is very encouraging. We appreciate your comments on usability and reporting as well. Clear results and fast feedback are essential when teams are supporting ETL and analytics at scale. We acknowledge your point about the initial learning curve, particularly for users newer to SQL or data validation. We continue to invest in product documentation, training resources, and in-product guidance to help teams ramp up faster and get the most value from advanced features sooner. Thank you again for sharing your experience and for trusting QuerySurge to support your data quality and analytics confidence. Regards, Bill Hayduk CEO ### 10. User-Friendly ETL Testing with a Steep Learning Curve **Rating:** 4.5/5.0 stars **Reviewed by:** Aryan A. | Enterprise (> 1000 emp.) **Reviewed Date:** April 22, 2026 **What do you like best about QuerySurge?** I like how user-friendly QuerySurge is. It made data comparison and validation very straightforward, helping me understand ETL Testing concepts in a practical way. It helped me save time and quickly understand data validation. I could easily identify mismatches, making learning ETL testing much more effective. **What do you dislike about QuerySurge?** While the platform is powerful, the initial learning curve can be a bit challenging for new users. Some features could be more intuitive, and adding more step-by-step tutorials or real-world examples would make it easier to get started and fully utilize the tool. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge validates data across sources and target systems, ensuring accuracy for ETL Testing. Its user-friendly interface streamlines data comparison and validation, saving me time and enhancing my understanding of ETL testing concepts. **Official Response from Bill Hayduk:** > Hi Aryan, Thank you for the thoughtful review. It’s great to hear that you found QuerySurge user-friendly, that it made data comparison and validation straightforward, and helped you build a practical understanding of ETL testing. Being able to quickly identify mismatches and work through real data scenarios is exactly the kind of experience we aim to provide. We also appreciate your feedback on the learning curve. Getting started with a powerful platform can take some ramp-up, and your point about more step-by-step tutorials and real-world examples is well taken. We’re continuing to expand our training resources, in-product guidance, and examples to make onboarding smoother and help users get value faster. Below is a link to one of our new demos of QuerySurge that we are starting to incorporate more into the product. Glad to hear QuerySurge is saving you time while improving your confidence in data validation. Thanks again for sharing your experience. Regards, Bill Hayduk CEO ### 11. Structured, User-Friendly ETL Testing for Beginners **Rating:** 4.0/5.0 stars **Reviewed by:** Jai A. **Reviewed Date:** April 22, 2026 **What do you like best about QuerySurge?** I like QuerySurge's structured and user-friendly approach to ETL testing. It simplifies complex data validation tasks and makes it easy to analyze large datasets efficiently. The tool is especially beneficial for beginners, as it clearly demonstrates how data flows through pipelines and how transformations can be validated. **What do you dislike about QuerySurge?** For beginners, the initial learning curve can feel a bit steep, especially when getting familiar with the interface and understanding how to configure connections and parameters properly. Additionally, better documentation and more beginner-friendly examples would be helpful. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge to learn basic concepts of data extraction, validate data transformations, and understand data pipelines. It simplifies complex data validation tasks and efficiently analyzes large datasets, making it beginner-friendly. **Official Response from Bill Hayduk:** > Thank you for sharing your experience. It’s great to hear that QuerySurge is helping you understand ETL testing, data flows, and transformation validation in a clear and structured way. Making complex data validation approachable, especially for those getting started, is something we focus on. We also appreciate your feedback on the initial learning curve. Getting comfortable with connections, parameters, and the interface can take some time early on. We’re actively expanding our self-paced training, documentation, tutorials, and beginner-friendly examples to make onboarding smoother and more intuitive. The goal is to help users move from basic concepts to more advanced validation as quickly as possible. It’s encouraging to hear that QuerySurge is supporting your learning while also enabling efficient analysis of large datasets. Thanks again for your feedback and for being part of the QuerySurge community. Regards, Bill Hayduk CEO ### 12. Bridges Data Theory and Practice with Helpful Excel & Word Resources **Rating:** 4.5/5.0 stars **Reviewed by:** Kartik K. | Software Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** April 22, 2026 **What do you like best about QuerySurge?** The course perfectly bridges the gap between data theory and practice, thanks to the Excel sheets and Word documents provided. **What do you dislike about QuerySurge?** Nothing specific, but the UI could be more interactive and offer easier access for the user. **What problems is QuerySurge solving and how is that benefiting you?** I completed my ETL certification through this platform, and I believe it will help me gain more ETL-related projects in my current job. **Official Response from Bill Hayduk:** > Hi Kartik, Thank you for the review. We’re glad to hear the course materials helped connect theory to hands-on practice. Using real examples like Excel and documentation is something we focus on so users can apply ETL concepts in a practical way. We also appreciate the feedback on the UI. Making the interface more interactive and easier to navigate is an area we continue to improve as we evolve the product experience. Congratulations on completing your ETL certification. It’s great to hear that QuerySurge is helping you build skills that can translate into more opportunities on real projects. Regards, Bill Hayduk CEO ### 13. Efficient ETL Testing, Needs UI Improvements **Rating:** 5.0/5.0 stars **Reviewed by:** Thummala M. | Software Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** April 29, 2026 **What do you like best about QuerySurge?** I like QuerySurge most for its automation capabilities and easy-to-use query pairing framework for ETL validation. I use QuerySurge for ETL and data warehouse testing, which helps automate data reconciliation, perform row-level comparisons, and generate clear test reports. It solves the challenge of validating large volumes of ETL data accurately and efficiently across multiple source and targets. **What do you dislike about QuerySurge?** The UI can feel a bit complex for new users and has a learning curve during initial setup. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge to automate data reconciliation and validate ETL data accurately across multiple systems, solving challenges of handling large data volumes efficiently. **Official Response from Bill Hayduk:** > Hi Thummala, Thank you for your thoughtful review of QuerySurge. We’re glad to hear that QuerySurge is helping you automate ETL and data warehouse testing, especially with source-to-target validation, row-level comparisons, data reconciliation, and clear test reporting. Validating large volumes of data accurately and efficiently across multiple systems is exactly the type of challenge QuerySurge is designed to address. We also appreciate your feedback on the UI and initial learning curve. We understand that setup and onboarding can take some time for new users, and we’re continually working to improve usability, guidance, and the overall user experience. Thanks again for sharing your experience and for using QuerySurge. Regards, Bill Hayduk CEO ### 14. Effortless Data Validation Across Multiple Sources **Rating:** 5.0/5.0 stars **Reviewed by:** Krishna Chaitanya B. | Automation Test Lead (Data), Mid-Market (51-1000 emp.) **Reviewed Date:** November 20, 2025 **What do you like best about QuerySurge?** 1. Helping in validating huge volume of data 2. Ability to validate different kinds of data sources (flat files, excel, databases) 3. Love the Data Staging feature to create temp tables and use them in the main query-pair. 4. Ability to connect to Snowflake and Workday 5. Analyze the errors easily for any data/non-matching errors **What do you dislike about QuerySurge?** Sometimes the agent get hanged abruptly and doesn't allow to kill the running query-pair. Using multiple Data Staging temporary tables slows down the query-pair execution time. When using the Data Staging feature, we need to run all the Staging query-pairs before we execute the main-query. **What problems is QuerySurge solving and how is that benefiting you?** Helping in validating huge volume of data Able to connect to Snowflake and Workday through by creating jdbc connections. Validate different kinds of data sources (flat files, excel, databases) **Official Response from Bill Hayduk:** > Hi Krishna, Thank you for the thoughtful review. It is great to hear that QuerySurge is helping you validate large data volumes, connect to Snowflake and Workday, and work across different file types and databases. We’re glad the Data Staging feature is adding value to your process as well. We also appreciate the notes on where we can improve. We are working on better handling for stuck agent processes and on performance improvements when using multiple Data Staging tables. Your feedback on staging workflows is helpful and will guide future enhancements. Thank you again for taking the time to share your experience. Regards, Bill Hayduk CEO ### 15. Versatile Data Testing Tool for Enterprise-Level Warehouses **Rating:** 5.0/5.0 stars **Reviewed by:** Chandru M. | Technical Lead, Information Technology and Services, Enterprise (> 1000 emp.) **Reviewed Date:** November 20, 2025 **What do you like best about QuerySurge?** QuerySurge offers support for a broad array of data sources, including databases, flat files, and cloud platforms, which adds to its versatility. Its ability to efficiently manage large datasets is particularly valuable for enterprise-level data warehouses. **What do you dislike about QuerySurge?** The initial setup and configuration can be complex, especially for databases like Snowflake and T24, due to driver compatibility, authentication, and schema intricacies. Additionally, the licensing cost can be a barrier for smaller teams, and the UI can feel sluggish with very large datasets. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge is a robust solution for automating data validation within ETL processes. It excels at handling large tables, removing the necessity for tedious manual row-by-row verification. By allowing users to compare source and target data through SQL queries, it helps maintain both accuracy and data integrity across different systems. **Official Response from Bill Hayduk:** > Hi Chandru, Thank you for taking the time to leave a positive review. We appreciate your perspective, and it is always encouraging to hear that the work we put in alongside our customers and partners is making an impact. You are right that some environments require a more involved setup. We continue to streamline that process, and your feedback helps guide those improvements. On licensing, smaller teams now have more flexibility with our Azure pay-as-you-go option, and our AWS pay-as-you-go service is scheduled to launch this month. Thank you again for the thoughtful feedback. Regards, Bill Hayduk CEO ### 16. Speeds Up Testing with Accurate, Time-Saving Features **Rating:** 5.0/5.0 stars **Reviewed by:** Sabarinathan R. | Senior Quality Specialist **Reviewed Date:** December 05, 2025 **What do you like best about QuerySurge?** I really appreciate how QuerySurge speeds up my testing process and provides accurate results for large volumes of data in less time. It's easy to use, and the report generation feature makes it simple to spot failure counts. I love the feature that allows automatic generation of SQL queries by establishing table-to-table connections. This reduces the time I spend preparing SQL queries, saving a lot of test planning time. The Test Scenario schedule feature is also a favorite because it allows me to complete my validations by scheduling scenarios overnight and then viewing the results the next day. **What do you dislike about QuerySurge?** If we could get the manual for establishing connectivity via JDBC driver for old DBs. Documenting these things would be fine. Like how we can establish connection step by step would be fine. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge speeds up my testing process for high-volume data, delivering accurate results quickly. It's easy to use, reduces time preparing SQL queries, and the report generation and test scheduling features save significant test planning and execution time. **Official Response from Bill Hayduk:** > Hi Sabarinathan, Thank you for sharing such a detailed review and for highlighting how QuerySurge is helping streamline your high-volume data testing. We’re glad to hear that the platform’s ease of use, automated SQL generation, report insights, and overnight scheduling have made a real impact on your workflow and saved you valuable time. It’s great to know these features are helping you move through planning and execution more efficiently. We also appreciate your feedback regarding JDBC connectivity documentation for older databases. Clear, step-by-step guidance is important.. We should have instructions to connect to older drivers in our Knowledge Base. Have a look at https://querysurge.zendesk.com/hc/en-us. If you cannot find the ones you are looking for there, please send an email to support@querysurge.com or create a ticket. Our team will be glad to assist you. Thank you again for taking the time to share your experience and for being a QuerySurge user. If you ever need help with a specific connector or setup, our support team is always ready to assist. Regards, Bill Hayduk CEO ### 17. Lifesaver for High-Volume Data Validation **Rating:** 5.0/5.0 stars **Reviewed by:** Puspavalli S. | Software QE Analyst **Reviewed Date:** December 05, 2025 **What do you like best about QuerySurge?** I used QuerySurge to validate a large volume of records, and it really helps accelerate the testing process and save time in validation of high volume data. QuerySurge allows me to complete my validation efficiently and effectively in a limited time. I really like the QuerySurge staging feature as it helps me validate file vs database comparison. The report generation feature is another highlight for me because it allows me to easily spot the number of data failures in a column for a high volume of data. The initial setup was smooth, and overall, QuerySurge is a lifesaver. **What do you dislike about QuerySurge?** When we have non-matching source and target rows, as well as data failures for a table, the failed record number in the failure tab and the failed number in the report generation seems different, which was bit confusing. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge to validate large volumes of data efficiently, saving time in testing. It helps me overcome the challenge of validating high volume data quickly. **Official Response from Bill Hayduk:** > Hi Puspavalli, Thank you for the thoughtful review. It is great to hear that QuerySurge has helped you move through large data validation workloads quickly and that features like Data Staging and our reporting tools are making your comparison and analysis work easier. We’re glad the initial setup went smoothly and that the platform has been a strong fit for your high-volume testing needs. Your note about differences between the failure tab counts and report counts is helpful. We appreciate you calling this out, and we continue to refine how results are summarized so that everything is as clear and consistent as possible. Thank you again for taking the time to share your experience and for relying on QuerySurge to support your validation process. Regards, Bill Hayduk CEO ### 18. AI-Driven Data Validation with Room for Growth **Rating:** 4.0/5.0 stars **Reviewed by:** krishna v. **Reviewed Date:** December 02, 2025 **What do you like best about QuerySurge?** I appreciate how QuerySurge stores query pairs for later use, which allows for flexibility and efficiency in ongoing data comparison tasks. The integration of AI is particularly beneficial, as it eliminates the need to search outside the tool, simplifying workflows and enhancing productivity. By sharing ETL mapping documents, I can generate queries automatically, which saves a significant amount of time and effort. Overall, these features contribute to a seamless and effective experience in handling data-related tasks. **What do you dislike about QuerySurge?** I find that QuerySurge could benefit significantly from generating queries automatically when selecting source and target data points. This would streamline the process and reduce manual work. Additionally, I think it would be advantageous if the QuerySurge team could extend support to address various aspects of data challenges comprehensively. The use of RAG and agents within QuerySurge for automating manual tasks seems like an area that needs more development to enhance functionality and efficiency. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge for data comparison between source and target, storing query pairs for later use, and leveraging AI to generate queries from ETL mapping documents, eliminating the need to search outside the tool. **Official Response from Bill Hayduk:** > Hi Krishna, Thank you for taking the time to share such a detailed review. We are glad to hear that QuerySurge’s ability to store query pairs, reuse them over time, and generate tests from ETL mapping documents is helping you work more efficiently. It is especially encouraging to see the AI capabilities reducing context switching and saving you meaningful time during validation. We also appreciate your candid feedback on where we can improve. Enhancements around agents, retrieval-based intelligence, and deeper automation of manual steps are very much part of our ongoing product evolution, with the goal of further streamlining complex data testing workflows. Thank you for using QuerySurge and for sharing how it supports your source-to-target data comparison needs. Regards, Bill Hayduk CEO ### 19. Effective ETL Testing with Room for Performance Improvement **Rating:** 4.5/5.0 stars **Reviewed by:** Prashant P. **Reviewed Date:** November 25, 2025 **What do you like best about QuerySurge?** I am very satisfied with QuerySurge, as it serves as our primary tool for file-to-file and database-to-database comparisons. I rely on it to verify results and provide signoffs, and overall, I am happy with its performance. I particularly appreciate the Data Staging options that QuerySurge offers, as they seem to work very well for my needs. Additionally, the initial setup was very easy, making the transition to QuerySurge smooth and hassle-free. **What do you dislike about QuerySurge?** I find the performance of QuerySurge to be a significant challenge, especially when processing large datasets. Executing comparisons on more than 500,000 records can take over 30 minutes, and in the case of 5 million records, it takes roughly an hour. This impacts efficiency and I believe there’s room for improvement in processing speeds. Additionally, the tool doesn't provide detailed record-wise results for past queries, only showing percentages of pass and failure, which limits insight depth. When errors occur due to incorrectly mentioned fields in a query, QuerySurge does not offer specific guidance or suggested modifications, which can hinder troubleshooting efforts. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge for ETL testing and file/database comparisons, which is crucial for our result verification and signoffs. It handles larger data volumes better than our previous tool, Beyond Compare, though performance on large datasets could improve. **Official Response from Bill Hayduk:** > Hi Prashant, Thank you for the detailed feedback and for relying on QuerySurge as your primary platform for file-to-file and database-to-database comparisons. We’re glad to hear that the Data Staging capabilities, ease of setup, and overall reliability have supported your ETL testing and verification workflows. It’s great to know QuerySurge has been an improvement over your previous comparison tools. We also appreciate your candid notes on performance with very large datasets and on the level of detail available in historical results. Both areas are active parts of our roadmap. We continue to enhance parallel processing, result retrieval, and error-handling clarity to help users move through high-volume testing more efficiently and with deeper visibility into record-level differences. Thank you again for taking the time to share your experience. Your input helps us refine QuerySurge, and we’re here to support you if you’d like to walk through performance tuning options or discuss upcoming improvements. Regards, Bill Hayduk CEO ### 20. Versatile Data Validation with Ease **Rating:** 4.5/5.0 stars **Reviewed by:** Fernando N. | Especialista em testes **Reviewed Date:** November 24, 2025 **What do you like best about QuerySurge?** I find QuerySurge invaluable for QA validation due to its ability to effectively compare large amounts of data. Its user-friendly interface significantly aids in reporting and identifying differences between source and target datasets, making this process more efficient and less error-prone. I appreciate how easy it is to use, getting the job done without unnecessary complications. The software's capability to connect to multiple types of data sources—such as SQL, on-premises, cloud systems, and even using data files—adds tremendous value to its functionality. I also benefit greatly from its own API, which allows for dynamic interactions like changing snippet values and initiating scenarios, making it adaptable and versatile across different use cases. Additionally, its integration with other tools through API requests enhances our workflow, ensuring we can continue to leverage existing systems while making the most of QuerySurge's robust features. **What do you dislike about QuerySurge?** I find the current use of snippets in QuerySurge somewhat static and believe they could be more dynamic. It would be beneficial if snippets had the capability to store queries and other types of code to retrieve values from external sources. This would allow for more flexible use rather than just being a static piece of code or information to be combined within queries or XML. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge to efficiently compare large data volumes between sources with a user-friendly interface. It connects to SQL, on-premises, cloud, and data files, enhancing our QA validation process. **Official Response from Bill Hayduk:** > Hi Fernando, Thank you for the thorough and thoughtful review. It is great to hear that QuerySurge is helping you validate large datasets, streamline reporting, and work across so many different data sources. We’re glad the interface, API, and integration options are making your QA workflows more efficient and flexible. That is precisely what we design the platform to support. Your suggestion about making snippets more dynamic is helpful. We agree there is room to expand their flexibility, and feedback like yours guides how we evolve those features. Thank you again for taking the time to share your experience and for relying on QuerySurge to drive your data validation efforts. Regards, Bill Hayduk CEO ### 21. Efficient Data Comparison, Needs Refinement **Rating:** 4.0/5.0 stars **Reviewed by:** Bruce D. **Reviewed Date:** November 21, 2025 **What do you like best about QuerySurge?** I really appreciate how QuerySurge facilitates the easy comparison of table data based on query pairs, allowing me to identify differences across various scenarios with efficiency. The ability to store scenarios that can be reused with different data connections is incredibly valuable for our regression suites, as it streamlines the process of running QA tests for each release. Once set up, I can effortlessly trigger these scenarios using specific database connections and have the results ready for review within just 10-20 minutes. Additionally, the capability to export the analysis into Excel is a major advantage, as it enables sharing detailed results with colleagues who might require a deeper dive into the data. Furthermore, the integration with Jenkins script for automating scenario triggers ensures flexible and time-efficient operations, especially for after-hours testing. Although I wasn't part of the initial setup team, my experience with updating QuerySurge to a new version was smooth, indicating the software is user-friendly in terms of maintenance and updates. **What do you dislike about QuerySurge?** Sometimes the analysis in QuerySurge creates false failures, such as when only one column in the table data is different, but multiple columns are highlighted as differences. This leads to confusion and false alerts. Additionally, when data are exactly the same and should match perfectly, they are occasionally incorrectly highlighted as discrepancies. This requires testers to manually scan rows or export data to Excel to apply formulas and verify that no true differences are being overlooked. **What problems is QuerySurge solving and how is that benefiting you?** I use QuerySurge for running QA tests, simplifying data comparison across scenarios, automating test runs, and exporting results for in-depth review, which enhances efficiency and accuracy. **Official Response from Bill Hayduk:** > Bruce, Thank you for the detailed review and for outlining how QuerySurge supports your QA process. It is great to hear that reusable scenarios, fast execution, Excel exports, and Jenkins integration have made your regression testing more efficient. We’re also glad your upgrade experience was smooth, even though you weren't part of the original setup. Your feedback on false failures is important, and we appreciate you calling it out. We continue to refine how QuerySurge surfaces differences, and your examples help us target where improvements are needed. Ensuring clear, accurate comparisons is a priority, and reviews like yours guide that work. Thank you again for taking the time to share your experience and for relying on QuerySurge to support your testing workflows. Regards, Bill Hayduk CEO ### 22. Fast, Reliable Automated Data Validation **Rating:** 5.0/5.0 stars **Reviewed by:** GUDIPUDI D. | analyst, Small-Business (50 or fewer emp.) **Reviewed Date:** April 22, 2026 **What do you like best about QuerySurge?** It automates data validation quickly and reliably. **What do you dislike about QuerySurge?** Nothing—it's good. I honestly don’t have any dislikes. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge helps address the challenge of validating large volumes of data across both source and target systems. **Official Response from Bill Hayduk:** > Hi Gudipudi, Thank you for the review. We appreciate the straightforward feedback. It’s great to hear that QuerySurge is delivering fast, reliable automation for data validation and helping you handle large volumes of data across source and target systems. That’s exactly the problem it’s designed to solve, especially where manual validation becomes impractical. If you ever have ideas on how we can make the product even better, we’d be glad to hear them. Thanks again for using QuerySurge. Regards, Bill Hayduk CEO ### 23. QuerySurge Makes Large-Scale Data Validation Simple and Efficient **Rating:** 5.0/5.0 stars **Reviewed by:** Ede V. | Senior Analyst, Enterprise (> 1000 emp.) **Reviewed Date:** April 21, 2026 **What do you like best about QuerySurge?** QuerySurge is purpose-built for data testing, making large-scale source-to-target validation simple and efficient. **What do you dislike about QuerySurge?** QuerySurge can be expensive, especially for smaller teams, and licensing isn’t very flexible. There’s also a learning curve for new users, and advanced setups often require strong SQL and tool-specific knowledge. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge solves data quality and source‑to‑target validation issues by automating data testing, helping me catch data defects early and ensure trusted, reliable analytics. **Official Response from Bill Hayduk:** > Hi Ede, Thank you for the detailed feedback. We’re glad to hear that QuerySurge is delivering on its core purpose by making large-scale source-to-target validation straightforward and efficient, and helping you catch data issues early to support trusted analytics. We appreciate your candid comments on pricing and flexibility. We understand that needs can vary widely across teams, and we do offer different licensing options, including fixed and unlimited user models, as well as enterprise configurations and pay-as-you-go in the cloud. That said, your feedback is valuable as we continue to evaluate how we can better support smaller teams. On the learning curve, you’re right that more advanced use cases can require stronger SQL and product familiarity. We’re continuing to invest in ease-of-use features, low-code/no-code features, more self-paced training, and capabilities like our AI-driven test creation to reduce that barrier and help users ramp up more quickly. Thanks again for sharing your experience and for highlighting both the strengths and areas where we can improve. Regards, Bill Hayduk CEO ### 24. A Must-Have Tool for Data QA and ETL Validation **Rating:** 4.0/5.0 stars **Reviewed by:** Gyanendra Y. | Practice Head – BI/DW & Big Data Automation CoE | Solution Architect – TDM & Data Quality, Enterprise (> 1000 emp.) **Reviewed Date:** December 02, 2025 **What do you like best about QuerySurge?** The thing I like most about QuerySurge is how visible and transparent it makes data issues. The pass/fail summaries, drill-down comparison views, and analytics give me immediate insight into where discrepancies are happening and why. **What do you dislike about QuerySurge?** What I dislike about QuerySurge is that the user interface can feel overwhelming for new users, especially those who aren't strong in SQL. The learning curve is steeper than expected, and setting up more advanced test scenarios often requires deeper technical knowledge. Some operations feel slower when working with very large projects. **What problems is QuerySurge solving and how is that benefiting you?** QuerySurge addresses the need for automated data validation in our ETL processes, helping us catch issues earlier and reduce manual SQL checks. While the setup requires some expertise, the benefits include more accurate data quality checks, smoother releases, and fewer production surprises. **Official Response from Bill Hayduk:** > Hi Gyanendra, Thank you for taking the time to share your experience with QuerySurge. We’re glad to hear that the pass/fail summaries, detailed comparison views, and analytics are giving you the visibility you need to pinpoint data discrepancies quickly. Making data issues easy to understand and act on is a core goal for us, so it’s great to know this is helping your team. We appreciate your feedback on the learning curve and onboarding experience for users new to SQL. We continue to invest in improving usability, offering more low-code, no-code features, guided workflows, and expanding our training resources to help teams get up to speed faster. Performance on large projects is also a priority area, and your input helps us focus on the right enhancements. Thank you again for your thoughtful review and for using QuerySurge to support your ETL validation. If you ever have questions or would like guidance on optimizing your setup, our team is here to help. Regards, Bill Hayduk CEO ### 25. Effortless Comparison with Lightning-Fast Results **Rating:** 5.0/5.0 stars **Reviewed by:** sarala b. | Data Engineering QA Manager, Mid-Market (51-1000 emp.) **Reviewed Date:** December 03, 2025 **What do you like best about QuerySurge?** It's extremely easy to use, and it handles a lot of comparisons quickly, delivering results in no time. **What do you dislike about QuerySurge?** Not many, but the results displayed could be better especially for the differences between the data sources. **What problems is QuerySurge solving and how is that benefiting you?** We have a lot of data migrations taking place from SQL Server to Fabric, and this tool has been very helpful for comparing data. It also allows us to automate processes and run regression tests when necessary. **Official Response from Bill Hayduk:** > Hi Sarala, Thank you for sharing your feedback and for choosing QuerySurge to support your SQL Server to Microsoft Fabric migrations. We’re glad to hear that the platform’s ease of use and speed in handling large data comparisons are helping you move through your testing cycles more quickly. We also appreciate your note on how differences between data sources are displayed. Clearer, more intuitive result views are an active area of investment for our team, and input like yours helps us refine that work. It’s great to hear that QuerySurge has been valuable in automating your processes and enabling repeatable regression testing during your migration projects. Supporting teams through large-scale data movement and ensuring trust in the data is exactly what we aim to deliver. Thanks again for the thoughtful review and for being a QuerySurge user. Regards, Bill Hayduk CEO ### 26. High-Speed, Accurate Validation with Multilanguage Support **Rating:** 5.0/5.0 stars **Reviewed by:** Damodaran A. | Test manager, Enterprise (> 1000 emp.) **Reviewed Date:** November 19, 2025 **What do you like best about QuerySurge?** Most helpful as it validates high volume of records with high speed and accuracy. It supports comparison of multilanguage data in the tables. **What do you dislike about QuerySurge?** Connectivity to Snowflake DB is a tedious process and has multiple steps to get the connection established when its Single Sign on authentication. If online Chat bot support is provided it will be much helpful or at least the support team gets over call during establishment of DB connection. **What problems is QuerySurge solving and how is that benefiting you?** This tool effectively automates data validation, even when handling large volumes of records. It ensures thorough coverage of data validation processes and provides detailed reports highlighting any data mismatches. Additionally, it generates both pass and failure reports, making it easier to track validation outcomes. **Official Response from Bill Hayduk:** > Thanks for the positive review, Damodaran! We'll work on improving that Snowflake connection. ### 27. Effortless Data Testing with Outstanding Support **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Pharmaceuticals | Small-Business (50 or fewer emp.) **Reviewed Date:** November 20, 2025 **What do you like best about QuerySurge?** Automating the data ingestion testing has been very helpful. The ability to reuse test cases, particularly query pairs, for regression testing is a significant advantage. The customer support team is responsive and knowledgeable, which I appreciate. The platform is easy to use, and it makes identifying discrepancies straightforward. I have also found it effective for testing large volumes of data. **What do you dislike about QuerySurge?** We are currently using it solely for data ingestion testing and have not yet explored features such as analytics testing. **What problems is QuerySurge solving and how is that benefiting you?** The quality of the data we are ingesting into our data lake has improved. This tool enables us to verify the entire dataset, even when dealing with large volumes of data. **Official Response from Bill Hayduk:** > Hi there! Thank you for the detailed review. It is great to hear that QuerySurge has helped streamline your data ingestion testing, especially with reusable query pairs, full-volume validation, and clear discrepancy reporting. We’re also glad our support team has been helpful along the way. Many customers start with ingestion testing and expand into BI and analytics testing over time, so you may find additional value as you explore those areas. If you decide to take that next step, our team is always available to help you get started. Thank you again for the feedback and for trusting QuerySurge to improve the quality of your data lake. Regards, Bill Hayduk CEO ### 28. Great for Data Comparison, Needs Better Query Debugging **Rating:** 3.5/5.0 stars **Reviewed by:** Ravi R. | Data Test Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** November 20, 2025 **What do you like best about QuerySurge?** The tool is effective for handling large data comparisons when testing source and target data. It manages the process efficiently, making it easier to verify data consistency between different systems. **What do you dislike about QuerySurge?** It would be better if it offered debugging features similar to those found in text editors when running queries. **What problems is QuerySurge solving and how is that benefiting you?** As a data tester, I develop my queries and compare them with development data. This process saves me a lot of manual effort. **Official Response from Bill Hayduk:** > Hi Ravi, Thank you for sharing your experience. It is great to hear that QuerySurge is helping you manage large data comparisons and streamline the work of validating source and target systems. Reducing manual effort for data testers is exactly what we aim to deliver, so your feedback is appreciated. Your suggestion about enhanced debugging features is noted. We continue to refine the query authoring experience, and insights like yours help us prioritize what will make the biggest difference for users. Thanks again for taking the time to leave a review and for using QuerySurge in your testing workflow. Regards, Bill Hayduk CEO ### 29. An amazing tool that makes ETL and data validation a breeze **Rating:** 5.0/5.0 stars **Reviewed by:** Oscar A. | Functional Test Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** October 21, 2022 **What do you like best about QuerySurge?** The new AI features offer a nice safety net to create test cases and scripts which I may have overlooked. **What do you dislike about QuerySurge?** The new update has really improved on the ease of use. I am excited to look further into the new functionality and improvements made. **What problems is QuerySurge solving and how is that benefiting you?** When we started our marketing campaign, we had several databases to pull information from. Querysurge helped us consolidate our customer pool from all our locations into one central location so we could pull meaningful business data from one place. **Official Response from Bill Hayduk:** > Hi Oscar, Thank you for sharing your experience with QuerySurge and for taking the time to leave a review. We are glad to hear that the new AI features are helping act as a safety net by identifying test cases and scripts that might otherwise be missed. That is exactly the intent: to support teams with broader coverage and added confidence, without replacing their expertise. It is also great to hear that the recent update improved ease of use and that you are seeing value in the new functionality. We have been focused on making the platform more intuitive while continuing to add powerful capabilities, so that feedback is especially appreciated. Finally, your example of consolidating customer data from multiple databases into a single, trusted view is a strong use case for QuerySurge. Helping teams validate data across sources so they can rely on one central set of business insights is a core problem we aim to solve. Thank you again for the feedback. We look forward to supporting you as you continue to explore the new features and enhancements. Regards, Bill Hayduk CEO ### 30. QuerySurge is a powerful ETL validation tool that enables fast, scalable, and automated data testing across heterogeneous source and target systems. **Rating:** 5.0/5.0 stars **Reviewed by:** Tarun B. | Associate Test Manager, Enterprise (> 1000 emp.) **Reviewed Date:** December 08, 2025 **What do you like best about QuerySurge?** QuerySurge performs exceptionally well in validating data across heterogeneous databases, even when no direct data bridge exists. **What do you dislike about QuerySurge?** The dependency on a few third-party applications could potentially be reduced or optimized. **What problems is QuerySurge solving and how is that benefiting you?** This tool is useful for simple lift and shift data migration validation and automating regression testing. It helps ensure that data is accurately transferred and that automated tests can be run efficiently during the migration process. **Official Response from Bill Hayduk:** > Hi Tarun, Thank you for sharing your experience with QuerySurge. We are glad to hear that it is performing well for validating data across heterogeneous databases, especially in scenarios where there is no direct data bridge. That flexibility is a core use case we designed the platform to handle. We also appreciate the feedback regarding dependencies on third-party applications. This is an area we continue to review as we look for ways to streamline deployments and reduce operational overhead while maintaining broad connectivity and performance. It's great to know QuerySurge is supporting your lift-and-shift migrations and regression testing efforts by helping ensure data accuracy and enabling efficient automation throughout the migration process. We value your input and will continue to use feedback like this to guide ongoing improvements. Regards, Bill Hayduk CEO ### 31. Query Surge, ease of implementation and use **Rating:** 4.0/5.0 stars **Reviewed by:** Sana P. | Sr. Technical Specialist QA - Grade III, Enterprise (> 1000 emp.) **Reviewed Date:** December 02, 2025 **What do you like best about QuerySurge?** Ease of use and implementation for a new project **What do you dislike about QuerySurge?** The initial learning curve was over a week or 2 **What problems is QuerySurge solving and how is that benefiting you?** Data Validations across various sources/ targets. This helps in ease of identifying the issues early and completion of Regression tests **Official Response from Bill Hayduk:** > Hi Sana, Thank you for your review. We’re glad QuerySurge was easy to use and implement for your project. We appreciate your note about the early learning curve and continue to improve our onboarding resources to make ramp-up even smoother. It’s great to hear that QuerySurge is helping you validate data across sources and targets, identify issues early, and streamline regression testing. Thanks again for sharing your experience and for being a QuerySurge user. Regards, Bill Hayduk CEO ### 32. Excellent Query Comparison and Fast Customer Service **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Government Administration | Enterprise (> 1000 emp.) **Reviewed Date:** December 02, 2025 **What do you like best about QuerySurge?** comparing query results and a quick customerservice for questions **What do you dislike about QuerySurge?** There is no option for online backups, only cold backups are available. **What problems is QuerySurge solving and how is that benefiting you?** reduces time-consuming testing **Official Response from Bill Hayduk:** > Hi there! Thank you for your review. We’re glad to hear that QuerySurge makes it easy to compare query results and that our customer support team has been responsive when you need help. We appreciate your note about online backups. While cold backups are the current supported method, feedback like yours helps guide our planning as we look at future enhancements. It’s great to know QuerySurge is reducing the time and effort required for your testing. Thanks again for sharing your experience and for being a QuerySurge user. Regards, Bill Hayduk CEO ### 33. Effortless and User-Friendly Experience **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Retail | Mid-Market (51-1000 emp.) **Reviewed Date:** December 01, 2025 **What do you like best about QuerySurge?** Easy to use across different application. **What do you dislike about QuerySurge?** Time required on admin setup and accesses dependant on Admins. **What problems is QuerySurge solving and how is that benefiting you?** Able to compare large set of data. **Official Response from Bill Hayduk:** > Thank you for sharing your feedback. It is great to hear that QuerySurge has been easy for you to use across different applications and that it helps you compare large data sets more efficiently. We also appreciate your note about the time required for admin setup and access management. We continue to work on streamlining that experience, and input like yours helps us focus on the right areas. Thank you again for taking the time to leave a review and for using QuerySurge in your data validation work. Regards, Bill Hayduk CEO ### 34. QuerySurge is the best tool for your ETL needs **Rating:** 5.0/5.0 stars **Reviewed by:** Oscar A. | Functional Test Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** September 27, 2024 **What do you like best about QuerySurge?** When I was looking for some help in merging databases there were alot of options out there but none of them offered the comprehensive support that I needed. We were looking for some help in transfering our databases to the cloud and it was a daunting task to say the least with the millions of customers that we serve. With the numerous features that were available it was a great help that they offered aid every step of the way. They provide certification classes that demonstrate to the user how to use this software. With these certifications we were able to easily implement QuerySurge into our migration process. We used QuerySurge every day for testing and validating our data pools before and after migration. The automated testing made it so we could easily create automation to run during off hours and provide us with comprehensive and easy to read reports. **What do you dislike about QuerySurge?** The only downside I can think of was the small learning curve associated with learning this software. This is mitigated however by their excellent customer support and in depth certification process. **What problems is QuerySurge solving and how is that benefiting you?** We had an old database system in place that we needed to replace so when migrating to Oracle it is understandable that we wanted to eliminate any unnecessary or outdated entries. Being one of the oldest utility companies in the country we had several of these and QuerySurge was helpful in identifying these entries so we could correct or remove them. ### 35. Great tool for ETL Testing **Rating:** 5.0/5.0 stars **Reviewed by:** James K. | Sr. Performance Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** February 14, 2025 **What do you like best about QuerySurge?** The QuerySurge AI module is a time saver with creating data validation tests and increases my productivity with ETL Testing. The QuerySurge support staff is also top notch. **What do you dislike about QuerySurge?** There isn't much to dislike about QuerySurge. The in-depth knowledge base and easy to contact support makes it easy to just pick it up and be effective with testing. **What problems is QuerySurge solving and how is that benefiting you?** Helps to simplify and speed up ETL testing. ### 36. Good fit for database testing scenarios **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** April 18, 2019 **What do you like best about QuerySurge?** Ability to integrate with test cases and DevOps pipeline. **What do you dislike about QuerySurge?** During our PoC it took lot of time for querysurge to hit oracle metadata tables and get the column names. It could have been better if query surge had in memory function to store metadata. **Recommendations to others considering QuerySurge:** QuerySurge is great if you want to automate your DB testing. We found it useful but not a best tool to achieve desired results. Please evaluate the tool carefully to ensure it meets your requirements. **What problems is QuerySurge solving and how is that benefiting you?** Automation testing and integration with CI pipeline ### 37. Good product **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Banking | Enterprise (> 1000 emp.) **Reviewed Date:** December 18, 2018 **What do you like best about QuerySurge?** Easy to use, supports almost all format of source **What do you dislike about QuerySurge?** Not good with mainframe files with comp3 fields **What problems is QuerySurge solving and how is that benefiting you?** Automate the testing - [View QuerySurge pricing details and edition comparison](https://www.g2.com/products/querysurge/reviews?section=pricing&secure%5Bexpires_at%5D=2026-07-24+21%3A49%3A15+-0500&secure%5Bsession_id%5D=f1c3e7a7-d635-4451-9080-21ed2456e415&secure%5Btoken%5D=9928db3dd4ce376d446a1dc5e42ba944ad4263af370a0444fb2e316a6f44a02a&format=llm_user) ## QuerySurge Integrations - [Azure Database for PostgreSQL](https://www.g2.com/products/azure-database-for-postgresql/reviews) - [Azure Databricks](https://www.g2.com/products/azure-databricks/reviews) - [Azure Data Lake Store](https://www.g2.com/products/azure-data-lake-store/reviews) - [Azure Synapse Analytics](https://www.g2.com/products/azure-synapse-analytics/reviews) - [Cloudera Analytic DB](https://www.g2.com/products/cloudera-analytic-db/reviews) - [Databricks](https://www.g2.com/products/databricks/reviews) - [Db2 Big SQL](https://www.g2.com/products/db2-big-sql/reviews) - [Google Cloud Lakehouse](https://www.g2.com/products/google-cloud-lakehouse/reviews) - [Harness Platform](https://www.g2.com/products/harness-platform/reviews) - [IBM Cognos Analytics](https://www.g2.com/products/ibm-cognos-analytics/reviews) - [Jira](https://www.g2.com/products/jira/reviews) - [Microsoft Excel](https://www.g2.com/products/microsoft-excel/reviews) - [Microsoft Fabric](https://www.g2.com/products/microsoft-fabric/reviews) - [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) - [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) - [MongoDB](https://www.g2.com/products/mongodb/reviews) - [Oracle Big Data Cloud Service](https://www.g2.com/products/oracle-big-data-cloud-service/reviews) - [Oracle Cloud Data Management](https://www.g2.com/products/oracle-oracle-cloud-data-management/reviews) - [PostgreSQL](https://www.g2.com/products/postgresql/reviews) - [Power BI Solutions](https://www.g2.com/products/power-bi-solutions/reviews) - [RedShift](https://www.g2.com/products/redshift-redshift/reviews) - [Salesforce Data 360 (formerly Data Cloud)](https://www.g2.com/products/salesforce-data-360-formerly-data-cloud/reviews) - [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) - [SAP HANA on Azure Large Instances](https://www.g2.com/products/sap-hana-on-azure-large-instances/reviews) - [Snowflake](https://www.g2.com/products/snowflake/reviews) - [SQL Server 2019](https://www.g2.com/products/sql-server-2019/reviews) - [Tableau](https://www.g2.com/products/tableau/reviews) - [Teradata Autonomous Knowledge Platform](https://www.g2.com/products/teradata-autonomous-knowledge-platform/reviews) ## QuerySurge Features **Data Management** - Data Integration - Metadata - Automated workflows **Functionality ** - Test Feedback - Test History - Customization - Test Variety **Agentic AI - DataOps Platforms** - Autonomous Task Execution - Cross-system Integration **Analytics** - Analytics capabilities - Dasboard visualizations **Automation** - Reliability - Thoroughness **Monitoring and Management** - Data Observability - Testing capabilities **Agentic AI - Automation Testing** - Autonomous Task Execution **Functionality** - Identification - Data Matching **Cloud Deployment** - Hybrid cloud support - Cloud migration capabilities **Management** - Reporting - Quality Audits - Dashboard - Governance **Generative AI** - AI Text Generation **Generative AI** - AI Text Generation ## Top QuerySurge Alternatives - [Monte Carlo](https://www.g2.com/products/monte-carlo/reviews) - 4.3/5.0 (529 reviews) - [UiPath Agentic Automation](https://www.g2.com/products/uipath-agentic-automation/reviews) - 4.6/5.0 (6,137 reviews) - [GTM Studio - Powered by ZoomInfo](https://www.g2.com/products/gtm-studio-powered-by-zoominfo/reviews) - 4.5/5.0 (3,395 reviews)