Compare IBM Db2 and PostgreSQL 
Featured Products
At a Glance
Market Segments
Enterprise (66.0% of reviews)
Small-Business (35.8% of reviews)
Entry-Level Pricing
Free Trial 1 License
No pricing available
IBM Db2
Star Rating
(682)4.1 out of 5
Market Segments
Enterprise (66.0% of reviews)
Pros & Cons
Entry-Level Pricing
Free Trial 1 License
Browse all 6 pricing plansPostgreSQL
Star Rating
(675)4.4 out of 5
Market Segments
Small-Business (35.8% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about PostgreSQLSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that PostgreSQL excels in ease of use, with many users appreciating its intuitive interface and the ability to run on minimal hardware. This flexibility allows businesses to save on infrastructure costs while still leveraging a powerful database solution.
- Users say that IBM Db2 is a robust and reliable choice for enterprise environments, particularly in industries like finance and healthcare. Its long-standing reputation for handling critical workloads effectively makes it a go-to option for organizations requiring high performance and data integrity.
- Reviewers mention that PostgreSQL's customizability is a standout feature, enabling users to execute complex SQL queries with ease. Features like functions, triggers, and materialized views enhance its capability, making it suitable for diverse application needs.
- According to verified reviews, IBM Db2 shines in integration capabilities, particularly with mainframe systems and cloud platforms like Azure. This makes it an attractive option for enterprises looking to streamline their operations across various environments.
- G2 reviewers highlight PostgreSQL's strong ACID compliance and data integrity, which users find reassuring for production environments. Many have noted that it has never failed them, reinforcing its reliability over years of use.
- Users report that while IBM Db2 offers solid support quality, PostgreSQL slightly edges it out in terms of overall user satisfaction. Reviewers appreciate the community-driven support available for PostgreSQL, which often leads to quicker resolutions for common issues.
Pricing
Entry-Level Pricing
IBM Db2
Db2 On Cloud - Lite
Free Trial
1 License
A completely free edition of DB2 on Cloud.
- Enjoy high performance and elastic scaling with Db2’s fully managed database and warehouse solutions in the cloud. Try for free.
PostgreSQL
No pricing availableFree Trial
IBM Db2
Free Trial is available
PostgreSQL
No trial information availableRatings
Meets Requirements
8.5
488
9.1
552
Ease of Use
8.0
497
8.5
557
Ease of Setup
7.7
263
8.4
286
Ease of Admin
7.7
242
8.2
251
Quality of Support
8.1
461
7.9
447
Has the product been a good partner in doing business?
8.3
234
8.5
199
Product Direction (% positive)
6.8
456
8.5
537
Features by Category
Data Management
8.6
52
|
Verified
Not enough data
8.1
48
|
Verified
Not enough data
8.6
49
|
Verified
Not enough data
8.2
48
|
Verified
Not enough data
7.5
34
|
Verified
Not enough data
7.6
34
|
Verified
Not enough data
Integration
7.8
43
|
Verified
Not enough data
8.1
45
|
Verified
Not enough data
8.1
42
|
Verified
Not enough data
Deployment
8.4
50
|
Verified
Not enough data
7.8
41
|
Verified
Not enough data
Performance
8.6
51
|
Verified
Not enough data
Security
8.7
46
|
Verified
Not enough data
9.0
35
|
Verified
Not enough data
Generative AI
8.3
8
Not enough data
8.3
8
Not enough data
Management
8.6
60
9.1
123
8.4
62
9.1
121
8.2
52
9.1
111
8.5
55
8.9
112
Support
8.0
57
8.6
114
8.4
60
9.2
128
7.9
60
9.1
112
8.4
61
9.1
115
Security
8.5
60
8.7
115
8.8
60
8.9
118
8.4
58
8.7
110
8.4
56
8.9
112
Performance
8.6
62
8.6
107
8.6
58
8.8
115
8.5
56
8.7
109
8.4
57
8.8
114
8.4
57
8.7
112
Database Features
8.7
306
9.0
463
8.8
309
9.0
468
8.8
309
9.0
475
8.4
304
8.6
457
8.8
302
8.7
442
8.4
303
8.8
456
8.4
308
9.0
466
Automation
8.3
9
Not enough data
8.1
9
Not enough data
8.3
9
Not enough data
8.5
9
Not enough data
Functionality
7.4
9
Not enough data
8.1
9
Not enough data
8.0
9
Not enough data
Administration
8.3
8
Not enough data
7.7
8
Not enough data
7.7
8
Not enough data
Agentic AI - Data Warehouse Automation
Not enough data
Not enough data
Configuration
8.5
65
Not enough data
8.1
60
Not enough data
8.5
66
Not enough data
8.3
61
Not enough data
8.6
62
Not enough data
Database Administration
8.6
60
Not enough data
8.8
60
Not enough data
8.8
59
Not enough data
Availability
8.9
63
Not enough data
9.1
62
Not enough data
8.8
63
Not enough data
8.9
63
Not enough data
Security
8.4
41
Not enough data
8.8
42
Not enough data
8.8
41
Not enough data
Data Management
8.7
45
Not enough data
8.6
44
Not enough data
Database Features
8.7
306
9.0
463
8.8
309
9.0
468
8.8
309
9.0
475
8.4
304
8.6
457
8.8
302
8.7
442
8.4
303
8.8
456
8.4
308
9.0
466
Categories
Categories
Shared Categories
IBM Db2 and PostgreSQL are categorized as Relational Databases
Unique Categories
IBM Db2 is categorized as Data Warehouse, Object-Oriented Databases, XML Databases, Database as a Service (DBaaS), and Data Warehouse Automation
PostgreSQL has no unique categories
Reviews
Reviewers' Company Size
IBM Db2
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
PostgreSQL
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
21.6%
Banking
11.7%
Computer Software
10.1%
Financial Services
7.2%
Insurance
5.9%
Other
43.6%
Information Technology and Services
27.5%
Computer Software
23.0%
Internet
4.2%
Financial Services
4.1%
Telecommunications
2.8%
Other
38.4%
Alternatives
Discussions
Where can I find answers to other questions I may have?
2 Comments
Official Response from IBM Db2
Please visit: https://developer.ibm.com/answers/questions/436870/common-questions-about-the-db2-on-cloud-free-plan/Read more
What is IBM Db2 used for?
1 Comment
VC
It is a name of the database which is used in IBM I system.Read more
What does Ibm Dashdb do?
1 Comment
PS
IBM dashDB is a fully managed in-memory cloud data warehousing service for developers, database administrators, business analysts, data scientists and more.Read more
What are the advantages and disadvantages of PostgreSQL?
2 Comments
AS
Advantages: A different resource for your SQL needs without the tag of a legacy systemRead more
What is PostgreSQL used for?
1 Comment
KK
PostgreSQL is an open-source database used to store, manage, and retrieve data. It's known for its reliability, scalability, and support for complex queries,...Read more
What is special about PostgreSQL?
1 Comment
DC
Provides features like scalability, reliability, and provides security which makes PostgreSQL more special. Read more
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