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# IBM Informix vs Microsoft SQL Server Comparison - What are their main differences?

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IBM InformixMS SQL[+ Add Product](#)

Reviews

**IBM Informix** [

4.5/5(111)

](https://www.g2.com/products/ibm-informix/reviews#reviews)

**Microsoft SQL Server** [

4.4/5(2,289)

](https://www.g2.com/products/microsoft-sql-server/reviews#reviews)

Pricing

**IBM Informix**
Free Trial

**See IBM website or contact IBM** PVU, VPC,User licensing · Informix Enterprise Edition / Informix Advanced Enterprise Edition

**Microsoft SQL Server**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**IBM Informix**
2 monthsFaster

Based on 8 responses

**Microsoft SQL Server**
3 months

Based on 39 responses

Return on Investment

**IBM Informix**
13 months4 months sooner

Based on 6 responses

**Microsoft SQL Server**
17 months

Based on 30 responses

Perceived Cost

**IBM Informix**
$$$$$

**Microsoft SQL Server**
$$$$$

Average Discount

**IBM Informix**
Not enough reviews yet

**Microsoft SQL Server**
14%

Pros & Cons

**IBM Informix**
Not enough data

**Microsoft SQL Server**
[
Ease of Use (29)
](https://www.g2.com/products/microsoft-sql-server/reviews?filters%5Bsentiment_snippet%5D=1422587&qs=pros-and-cons#reviews)[
Database Management (24)
](https://www.g2.com/products/microsoft-sql-server/reviews?filters%5Bsentiment_snippet%5D=1422948&qs=pros-and-cons#reviews)[
Expensive (21)
](https://www.g2.com/products/microsoft-sql-server/reviews?filters%5Bsentiment_snippet%5D=1421552&qs=pros-and-cons#reviews)[
High Licensing Cost (12)
](https://www.g2.com/products/microsoft-sql-server/reviews?filters%5Bsentiment_snippet%5D=1422329&qs=pros-and-cons#reviews)

Integrations

**IBM Informix**
Not enough data

**Microsoft SQL Server**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f176b4154a751d10150daa67a57b7dc5/azure-data-factory.jpg "Product Avatar Image")

Azure Data Factory

](https://www.g2.com/products/azure-data-factory/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_13aba37ae908d9cf29a2452925257ccc/azure-databricks.jpeg "Product Avatar Image")

Azure Databricks

](https://www.g2.com/products/azure-databricks/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f176b4154a751d10150daa67a57b7dc5/azure-sql-database.jpg "Product Avatar Image")

Azure SQL Database

](https://www.g2.com/products/azure-sql-database/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_a6c205d533dba77b318af96d91beb2ac/databricks.jpeg "Product Avatar Image")

Databricks

](https://www.g2.com/products/databricks/reviews)[
View all
](https://www.g2.com/products/microsoft-sql-server/integrations)

Screenshots

**IBM Informix**
 ![IBM Informix screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/101337/informixhq-2.png)

**Microsoft SQL Server**
 ![Microsoft SQL Server screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/79420/screenshot.png)

Ratings

Meets Requirements

**IBM Informix**

9.2

9.279

**Microsoft SQL Server**

9.0

9.01,877

Ease of Use

**IBM Informix**

9.1

9.179

**Microsoft SQL Server**

8.6

8.61,895

Ease of Setup

**IBM Informix**

8.9

8.957

**Microsoft SQL Server**

8.2

8.21,018

Ease of Admin

**IBM Informix**

9.3

9.356

**Microsoft SQL Server**

8.3

8.3955

Quality of Support

**IBM Informix**

8.5

8.576

**Microsoft SQL Server**

8.3

8.31,669

Has the product been a good partner in doing business?

**IBM Informix**

7.8

7.856

**Microsoft SQL Server**

8.4

8.4904

Product Direction (% positive)

**IBM Informix**

6.0

6.078

**Microsoft SQL Server**

8.4

8.41,846

Features

Relational Databases[Hide 24 FeaturesShow 24 Features](javascript:void(0);)

8.8

81

8.8

1,472

Management 

Data Schema

8.9

11

9.1(won by 0.2)

154

Query Language

9.1

11

9.2(won by 0.1)

158

ACID - Complaint

8.5

10

8.8(won by 0.3)

142

Data Replication

9.2(won by 0.4)

11

8.8

143

Support 

Text Search

7.8

10

8.6(won by 0.8)

145

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Data Types

8.5

11

9.0(won by 0.5)

152

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Languages

8.8(won by 0.2)

11

8.6

145

Operating Systems

8.8(won by 0.5)

11

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.3

155

Security

Database Locking

8.6

11

8.8(won by 0.2)

151

Access Control

9.1(won by 0.1)

11

9.0

152

Encryption

8.2

11

8.8(won by 0.6)

148

 (There is a greater than 0.5 difference between this product's rating and its competitors)

Authentication

8.8

11

9.0(won by 0.2)

150

Performance 

Disaster Recovery

8.5

10

8.7(won by 0.2)

151

Data Concurrency

8.7

10

8.8(won by 0.1)

143

Workload Management

8.3

11

8.7(won by 0.4)

155

Advanced Indexing

8.7(won by 0.1)

10

8.6

150

Query Optimizer

9.0(won by 0.2)

10

8.8

152

Database Features

Storage

9.1(won by 0.2)

66

8.9

1300

Availability

9.5(won by 0.5)

67

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

1303

Stability

9.3(won by 0.4)

66

8.9

1317

Scalability

9.2(won by 0.5)

65

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.7

1283

Security

8.8(tied score)

62

8.8(tied score)

1281

Data Manipulation

9.1(won by 0.3)

65

8.8

1283

Query Language

9.0

66

9.1(won by 0.1)

1302

Data Replication[Hide 7 FeaturesShow 7 Features](javascript:void(0);)

8.5

7

Not enough data

Management

Real-Time Analytics

8.6(won by default)

7

Not enough data

Solution Integration

8.1(won by default)

6

Not enough data

Infrastructure Compatibility

8.1(won by default)

6

Not enough data

Monitoring

8.6(won by default)

6

Not enough data

Solution Provision

System Failover

8.9(won by default)

6

Not enough data

Pay by Usage

8.3(won by default)

5

Not enough data

Service Provision

9.0(won by default)

5

Not enough data

Database Management Systems (DBMS)[Hide 48 FeaturesShow 48 Features](javascript:void(0);)

Not enough data

9.0

180

Management

Data dictionary

Not enough data

8.9(won by default)

156

Data Replication

Not enough data

8.8(won by default)

154

Query Language

Not enough data

9.2(won by default)

162

Data Modeling

Not enough data

8.9(won by default)

156

Performance Analysis

Not enough data

9.0(won by default)

161

Data Synchronization

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Data Storage Management

Not enough data

Not enough data

Maintenance

Data Migration

Not enough data

8.9(won by default)

159

Backup and Recovery

Not enough data

9.1(won by default)

165

Multi-User Environment

Not enough data

9.1(won by default)

156

Automatic Backup

Not enough data

Not enough data

Database Conversion

Not enough data

Not enough data

Security

Data Encryption

Not enough data

8.9(won by default)

154

User Access Control

Not enough data

9.1(won by default)

157

Mobile Access

Not enough data

Not enough data

Additional Functionality

Workflow Management

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Data Extraction

Not enough data

Not enough data

Relational Database Management

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Connectors

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Full Text Search

Not enough data

Not enough data

Data Virtualization

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Customizable Fields

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Data Mapping

Not enough data

Not enough data

Multiple Programming Languages Supported

Not enough data

Not enough data

Data Capture and Transfer

Not enough data

Not enough data

User Management

Not enough data

Not enough data

NOSQL Database Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Charting

Not enough data

Not enough data

Big Data Processing and Distribution[Hide 10 FeaturesShow 10 Features](javascript:void(0);)

Not enough data

8.4

62

Database

Real-Time Data Collection

Not enough data

8.6(won by default)

58

Data Distribution

Not enough data

8.8(won by default)

57

Data Lake

Not enough data

8.4(won by default)

54

Integrations

Hadoop Integration

Not enough data

7.8(won by default)

45

Spark Integration

Not enough data

8.2(won by default)

46

Platform

Machine Scaling

Not enough data

8.2(won by default)

50

Data Preparation

Not enough data

8.5(won by default)

54

Spark Integration

Not enough data

8.2(won by default)

46

Processing

Cloud Processing

Not enough data

8.6(won by default)

53

Workload Processing

Not enough data

8.5(won by default)

56

Show 2 feature categories with incomplete data

Backup[Hide 11 FeaturesShow 11 Features](javascript:void(0);)

Not enough data

Not enough data

Management

Disaster Recovery

Not enough data

Not enough data

Remote Backup

Not enough data

Not enough data

Storage Formats

Not enough data

Not enough data

Scheduled Backups

Not enough data

Not enough data

On-Demand Restoration

Not enough data

Not enough data

Reporting

Activity Monitoring

Not enough data

Not enough data

Documentation

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Security

Data Encryption

Not enough data

Not enough data

Security and Compliance

Not enough data

Not enough data

Deduplication 

Not enough data

Not enough data

Big Data[Hide 17 FeaturesShow 17 Features](javascript:void(0);)

Not enough data

Not enough data

Building Reports

Data Transformation

Not enough data

Not enough data

Data Modeling

Not enough data

Not enough data

WYSIWYG Report Design

Not enough data

Not enough data

Integration APIs

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Platform

Mobile User Support

Not enough data

Not enough data

Customization 

Not enough data

Not enough data

User, Role, and Access Management

Not enough data

Not enough data

Internationalization

Not enough data

Not enough data

Sandbox / Test Environments

Not enough data

Not enough data

Performance and Reliability

Not enough data

Not enough data

Breadth of Partner Applications

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

Metadata Management

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![IBM Informix](https://images.g2crowd.com/uploads/product/hd_favicon/1553782384/ibm-informix.svg "IBM Informix")](https://www.g2.com/products/ibm-informix/reviews)

IBM Informix

Small-Business(50 or fewer emp.)

23.9%

Mid-Market(51-1000 emp.)

32.6%

Enterprise(\> 1000 emp.)

43.5%

[![Microsoft SQL Server](https://images.g2crowd.com/uploads/product/hd_favicon/a8a99a96fda235658139f710592f8a53/microsoft-sql-server.svg "Microsoft SQL Server")](https://www.g2.com/products/microsoft-sql-server/reviews)

Microsoft SQL Server

Small-Business(50 or fewer emp.)

18.3%

Mid-Market(51-1000 emp.)

36.6%

Enterprise(\> 1000 emp.)

45.2%

Small-Business

(50 or fewer emp.)

23.9%

18.3%

Mid-Market

(51-1000 emp.)

32.6%

36.6%

Enterprise

(\> 1000 emp.)

43.5%

45.2%

Reviewers' Industry

[![IBM Informix](https://images.g2crowd.com/uploads/product/hd_favicon/1553782384/ibm-informix.svg "IBM Informix")](https://www.g2.com/products/ibm-informix/reviews)
IBM Informix

Information Technology and Services

16.3%

Computer Software

13.0%

Government Administration

9.8%

Retail

5.4%

Insurance

5.4%

Other

50.0%

[![Microsoft SQL Server](https://images.g2crowd.com/uploads/product/hd_favicon/a8a99a96fda235658139f710592f8a53/microsoft-sql-server.svg "Microsoft SQL Server")](https://www.g2.com/products/microsoft-sql-server/reviews)
Microsoft SQL Server

Information Technology and Services

24.1%

Computer Software

13.7%

Hospital & Health Care

5.4%

Financial Services

4.3%

Higher Education

2.9%

Other

49.7%

FAQs

## IBM Informix vs MS SQL FAQs

Generated using AI

Last updated: August 14, 2026

### What is the difference between MS SQL vs IBM Informix?

IBM Informix stands out for its higher Ease of Admin and Setup scores, while MS SQL is more widely reviewed and integrated within the Microsoft ecosystem.

| [MS SQL](https://www.g2.com/products/microsoft-sql-server/reviews) | [IBM Informix](https://www.g2.com/products/ibm-informix/reviews) |
| --- | --- |
| 4.4/5 (2,287 reviews) | 4.5/5 (111 reviews) |
| Enterprise | Enterprise |
| 8.1 | 8.9 |
| 8.3 | 8.5 |
| Ease of Use (32 all-time mentions) | Ease of Admin (score: 9.3) |

### How do the pricing models of MS SQL and IBM Informix compare?

IBM Informix is rated higher for Price/Cost satisfaction, indicating reviewers consider it the stronger value compared to MS SQL.

- **MS SQL:** In recent reviews, many cite high licensing costs and complex pricing as a drawback, especially for enterprise features.
- **IBM Informix:** Reviewers highlight cost savings and a favorable value proposition, with several noting its lower administrative costs and high availability at a competitive price point.

### What are the best alternatives to MS SQL and IBM Informix?

The top three alternatives to MS SQL and IBM Informix are Teradata Autonomous Knowledge Platform, SAP HANA Cloud, and MySQL.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [MS SQL](https://www.g2.com/products/microsoft-sql-server/reviews) | 4.4/5 (2,287 reviews) | Enterprise | High licensing costs noted in recent reviews | Ease of Use (32 all-time mentions) |
| [IBM Informix](https://www.g2.com/products/ibm-informix/reviews) | 4.5/5 (111 reviews) | Enterprise | Cost savings and favorable value cited in recent reviews | Ease of Admin (score: 9.3) |
| [Teradata Autonomous Knowledge Platform](https://www.g2.com/products/teradata-autonomous-knowledge-platform/reviews) | 4.3/5 (376 reviews) | Enterprise | — | — |
| [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) | 4.3/5 (620 reviews) | Enterprise | — | — |
| [MySQL](https://www.g2.com/products/mysql/reviews) | 4.4/5 (1,682 reviews) | Small-Business | — | — |

### Which Relational Databases features should I prioritize when comparing MS SQL and IBM Informix?

Buyers should prioritize Ease of Admin, Ease of Setup, Quality of Support, Security, and Integration capabilities when comparing MS SQL and IBM Informix.

- **Ease of Admin:** IBM Informix scores 9.3, MS SQL scores 8.3.
- **Ease of Setup:** IBM Informix scores 8.9, MS SQL scores 8.1.
- **Quality of Support:** IBM Informix scores 8.5, MS SQL scores 8.3.
- **Security:** MS SQL has 11 all-time mentions for Security, with reviewers highlighting built-in encryption and row-level security.
- **Integrations:** MS SQL has 21 all-time mentions for Integrations, with frequent references to Azure, Power BI, and Data Factory.

### What are the pros and cons of MS SQL vs IBM Informix?

MS SQL's headline strength is its ease of use and integration within the Microsoft ecosystem, while IBM Informix excels in ease of administration and low maintenance.

- **MS SQL strengths:** Ease of Use (32 all-time mentions), Database Management (29), Performance (25), Features (23), Integrations (21), Reliability (18), Security (11).
- **MS SQL trade-offs:** Expensive (21 all-time mentions), High Licensing Cost (12), Performance Issues (11), Resource-intensive, Complex licensing.
- **IBM Informix strengths:** Ease of Admin (score: 9.3), High availability, Low maintenance, Fast setup, Reliable for OLTP and edge workloads, Cost savings cited in recent reviews.
- **IBM Informix trade-offs:** Limited market visibility, Perceived as legacy technology, Fewer integration mentions, Some reviewers note difficulty finding skilled professionals.

### Is MS SQL or IBM Informix better for small businesses?

MS SQL is a better fit for small businesses, as it is widely adopted and cited for ease of use and setup in recent reviews.

- **MS SQL:** Largest segment is Enterprise, but recent reviews highlight its suitability for small to medium businesses due to straightforward setup and strong documentation.
- **IBM Informix:** Largest segment is Enterprise, with reviewers emphasizing its reliability and low maintenance, but less mention of small-business adoption.

### Which Relational Databases platform has better integrations?

MS SQL is favored for integrations, with more reviewer-cited integration mentions and specific third-party tool references.

- **MS SQL:** Azure SQL Database (3 all-time mentions), Microsoft Power BI (3), Azure Data Factory (2); 21 all-time mentions for Integrations.
- **IBM Informix:** Reviewers mention integration with SQL and NoSQL databases, but no specific third-party tool integration counts above the publish floor.

### How do MS SQL and IBM Informix compare on customer support?

IBM Informix and MS SQL are rated in near-parity for Quality of Support, with IBM Informix at 8.5 and MS SQL at 8.3, a difference below the materiality threshold.

- **MS SQL:** Reviewers describe support as responsive and helpful, with strong documentation and a large community cited as valuable resources.
- **IBM Informix:** Reviewers note reliable support experiences, though some mention challenges due to lower market penetration and fewer available resources.

### Which is easier to implement, MS SQL or IBM Informix?

IBM Informix is rated higher for Ease of Setup, with a score of 8.9 compared to MS SQL's 8.1, a difference of 0.8 points.

- **MS SQL:** Reviewers describe setup as straightforward, especially for those familiar with the Microsoft ecosystem, but note that advanced configurations can be complex.
- **IBM Informix:** Reviewers consistently highlight fast and easy setup, minimal ongoing administration, and "set and forget" deployment as key benefits.

### Which product has better Security?

MS SQL is more frequently cited for Security, with 11 all-time mentions and strong reviewer sentiment for built-in encryption and row-level security.

- **MS SQL:** Security (11 all-time mentions), built-in encryption, row-level security, dynamic data masking, and positive reviewer sentiment for compliance features.
- **IBM Informix:** Reviewers describe it as secure and reliable, with recent reviews noting its suitability for confidential data and secure payments, but no all-time Security mention count above the publish floor.

Alternatives

**IBM Informix Alternatives**

 ![MySQL](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_240340edca859994ec71e4490aa20022/mysql.png "MySQL")

[
MySQL
](/products/mysql/reviews)

 ![Oracle Database](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_82f55e945509bff7b8009e8024cfe73c/oracle-database.jpg "Oracle Database")

[
Oracle Database
](/products/oracle-database/reviews)

 ![PostgreSQL](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_251be2af3ae607c45c14e816eaa1cf41/postgresql.png "PostgreSQL")

[
PostgreSQL
](/products/postgresql/reviews)

 ![Veeam Data Platform](https://images.g2crowd.com/uploads/product/hd_favicon/a179f521693e62ccbdd5f80b4da072ec/veeam-data-platform.svg "Veeam Data Platform")

[
Veeam Data Platform
](/products/veeam-data-platform/reviews)

**Microsoft SQL Server Alternatives**

 ![Teradata Autonomous Knowledge Platform](https://images.g2crowd.com/uploads/product/hd_favicon/18effe7340087cf76270e479644d3e42/teradata-autonomous-knowledge-platform.svg "Teradata Autonomous Knowledge Platform")

[
Teradata Autonomous Knowledge Platform
](/products/teradata-autonomous-knowledge-platform/reviews)

 ![SAP HANA Cloud](https://images.g2crowd.com/uploads/product/hd_favicon/b5f8f986beca96ab0027c693ee762fb9/sap-hana-cloud-2025-10-01.svg "SAP HANA Cloud")

[
SAP HANA Cloud
](/products/sap-hana-cloud-2025-10-01/reviews)

 ![Google Cloud SQL](https://images.g2crowd.com/uploads/product/hd_favicon/a4f97d6f742e657968c8830b1a97c42e/google-cloud-sql.svg "Google Cloud SQL")

[
Cloud SQL
](/products/google-cloud-sql/reviews)

 ![Snowflake](https://images.g2crowd.com/uploads/product/hd_favicon/1544409170/snowflake.svg "Snowflake")

[
Snowflake
](/products/snowflake/reviews)