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Compare IBM Db2 and PostgreSQL 
Featured Products
At a Glance
Market Segments
Enterprise (66.1% of reviews)
Small-Business (35.8% of reviews)
Entry-Level Pricing
Free Trial 1 License
No pricing available
IBM Db2
Star Rating
(680)4.1 out of 5
Market Segments
Enterprise (66.1% of reviews)
Pros & Cons
Entry-Level Pricing
Free Trial 1 License
Browse all 6 pricing plansPostgreSQL
Star Rating
(668)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
487
9.1
545
Ease of Use
8.0
496
8.5
550
Ease of Setup
7.7
262
8.4
279
Ease of Admin
7.7
242
8.2
250
Quality of Support
8.1
460
7.9
441
Has the product been a good partner in doing business?
8.3
234
8.5
199
Product Direction (% positive)
6.8
455
8.5
532
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
122
8.4
62
9.1
120
8.2
52
9.1
107
8.5
55
8.9
111
Support
8.0
57
8.6
113
8.4
60
9.2
124
7.9
60
9.1
111
8.4
61
9.1
113
Security
8.5
60
8.7
114
8.8
60
8.9
116
8.4
58
8.6
108
8.4
56
8.9
110
Performance
8.6
62
8.6
106
8.6
58
8.8
112
8.5
56
8.6
107
8.4
57
8.8
111
8.4
57
8.6
110
Database Features
8.7
306
9.0
460
8.8
309
9.0
465
8.8
309
9.0
470
8.4
304
8.6
452
8.8
302
8.7
439
8.4
303
8.8
453
8.4
308
9.0
461
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
65
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
62
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
40
Not enough data
Data Management
8.7
45
Not enough data
8.6
44
Not enough data
Database Features
8.7
306
9.0
460
8.8
309
9.0
465
8.8
309
9.0
470
8.4
304
8.6
452
8.8
302
8.7
439
8.4
303
8.8
453
8.4
308
9.0
461
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
21.5%
Banking
11.7%
Computer Software
10.1%
Financial Services
7.2%
Insurance
5.9%
Other
43.6%
Information Technology and Services
27.3%
Computer Software
23.1%
Internet
4.3%
Financial Services
4.1%
Telecommunications
2.9%
Other
38.3%
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
I want to replace KDB+ with DB2 BLU, before doing this in my project, i want to know following answers.
1. Is DB2 BLU , capable for this type of achievement which KDB+ do?
2. can you please give me a list comparison between DB2 BLU with KDB+?
1 Comment
NO
Please check:
https://db-engines.com/en/system/IBM+Db2%3BKdb%2B
Read more
Which tool do you use for deep monitoring of IBM DB2 databases (instances) ?
1 Comment
MF
Maxim, we have a dedicated management console that comes free with Db2. It was called Data Server Manager in the past, now we call it the Unified Management...Read more
What are the advantages and disadvantages of PostgreSQL?
2 Comments
AG
Open Source: PostgreSQL is free and open-source software, meaning anyone can download, use, and modify it as needed without licensing costs.
SQL...Read more
Can we get some video tutorials on usage? Also how do we connect them over cloud ?
1 Comment
NH
Hey Jay,
We use Postgresql on all of our cloud servers. We connect via SSL connections to the specific...Read more
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