QuerySurge Reviews (37)

Reviews

QuerySurge Reviews (37)

4.6
37 reviews

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Users consistently praise QuerySurge for its ease of use and ability to handle large volumes of data efficiently, making data validation and ETL processes more manageable. The platform's AI features and reporting capabilities enhance productivity by simplifying test creation and providing clear insights into discrepancies. However, some users note a steep learning curve, particularly for those less familiar with SQL.

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Kavyasri P.
KP
Kavyasri P.
Software Engineer
Enterprise (> 1000 emp.)
"QuerySurge Streamlines ETL Data Validation with Efficient SQL-Based Automation"
5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

Ashitosh S.
AS
Ashitosh S.
Software Engineer-Data/ETL Testing
Computer Software
Enterprise (> 1000 emp.)
"Useful for ETL data validation and saves manual effort"
5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

See how QuerySurge improved
Anil Kumar B.
AB
Anil Kumar B.
Software Engineer
Enterprise (> 1000 emp.)
"Streamlined ETL Certification Journey"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

Indrasena Reddy M.
IM
Indrasena Reddy M.
Analyst
Mid-Market (51-1000 emp.)
"Boosted ETL Validation Skills with Ease"
5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

Tarun B.
TB
Tarun B.
Software Engineer
Enterprise (> 1000 emp.)
"QuerySurge Automates End-to-End Data Validation with Fast Comparisons and Rich Reporting"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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.

Venkat S.
VS
Venkat S.
Software Engineer
Mid-Market (51-1000 emp.)
"Revolutionized Our ETL Testing Process"
5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

bharath kumar c.
BC
bharath kumar c.
Software Engineer
Mid-Market (51-1000 emp.)
"Great for Learning ETL Testing, Needs Easier Start for Beginners"
4/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

See how QuerySurge improved
Rakshith N.
RN
Rakshith N.
Data quality Engineer
Mid-Market (51-1000 emp.)
"Strong ETL Validation Tool with Limited JSON Source Support"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

SS
Suleena S.
Quality Assurance Lead
Small-Business (50 or fewer emp.)
"Powerful Data Testing Made Effortless with QuerySurge"
5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

AA
Aryan A.
Enterprise (> 1000 emp.)
"User-Friendly ETL Testing with a Steep Learning Curve"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Response from Bill Hayduk of QuerySurge

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

See how QuerySurge improved