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Compare IBM Db2 and PostgreSQL

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At a Glance
IBM Db2
IBM Db2
Star Rating
(678)4.1 out of 5
Market Segments
Enterprise (66.0% of reviews)
Information
Entry-Level Pricing
Free Trial 1 License
Browse all 6 pricing plans
PostgreSQL
PostgreSQL
Star Rating
(663)4.4 out of 5
Market Segments
Small-Business (35.9% of reviews)
Information
Entry-Level Pricing
No pricing available
Learn more about PostgreSQL
AI Generated Summary
AI-generated. Powered by real user reviews.
  • Users report that PostgreSQL excels in Data Quality with a score of 8.7, while IBM Db2 trails behind at 8.3. Reviewers mention that PostgreSQL's robust data validation features contribute significantly to maintaining high data integrity.
  • Reviewers mention that PostgreSQL's Query Language is highly rated at 9.2, compared to IBM Db2's 8.3. Users say that PostgreSQL's support for advanced SQL features makes it easier to write complex queries efficiently.
  • G2 users highlight PostgreSQL's superior Data Replication capabilities, scoring 8.9, while IBM Db2 scores 8.5. Users report that PostgreSQL's logical replication allows for more flexible data distribution across systems.
  • Reviewers mention that PostgreSQL offers better Ease of Setup with a score of 8.3, compared to IBM Db2's 7.6. Users say that PostgreSQL's straightforward installation process and comprehensive documentation make it more accessible for new users.
  • Users on G2 report that PostgreSQL's Data Management features, particularly in In-Database Machine Learning, score 7.6, while IBM Db2's capabilities in this area are less emphasized. Reviewers mention that PostgreSQL's integration with machine learning libraries enhances its analytical capabilities.
  • Users say that PostgreSQL's Documentation Management is rated at 7.5, which is lower than IBM Db2's offerings. However, reviewers mention that PostgreSQL's community support and extensive online resources often compensate for this shortcoming.
Pricing
Entry-Level Pricing
IBM Db2
Db2 On Cloud - Lite
Free Trial
1 License
Browse all 6 pricing plans
PostgreSQL
No pricing available
Free Trial
IBM Db2
Free Trial is available
PostgreSQL
No trial information available
Ratings
Meets Requirements
8.5
484
9.1
543
Ease of Use
8.0
493
8.5
548
Ease of Setup
7.7
259
8.4
277
Ease of Admin
7.7
241
8.2
249
Quality of Support
8.1
457
7.9
439
Has the product been a good partner in doing business?
8.3
234
8.4
198
Product Direction (% positive)
6.8
452
8.5
530
Features by Category
8.2
63
Not enough data
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
8.5
368
8.9
505
Management
8.6
59
9.1
121
8.4
61
9.1
119
8.2
51
9.1
107
8.5
54
8.9
110
Support
8.0
56
8.6
113
8.4
59
9.2
123
7.9
59
9.1
110
8.3
60
9.1
112
Security
8.5
59
8.7
114
8.8
59
8.9
116
8.4
57
8.6
108
8.4
55
8.9
110
Performance
8.6
59
8.6
106
8.6
57
8.8
112
8.5
55
8.6
106
8.4
56
8.8
111
8.4
56
8.6
109
Database Features
8.7
304
9.0
460
8.8
306
9.0
465
8.8
306
9.0
468
8.4
302
8.6
450
8.8
301
8.7
439
8.4
302
8.8
453
8.4
307
9.0
460
Data Warehouse AutomationHide 11 FeaturesShow 11 Features
8.0
11
Not enough data
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
Database as a Service (DBaaS)Hide 17 FeaturesShow 17 Features
8.7
77
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
8.7
364
Not enough data
Database Features
8.7
304
9.0
460
8.8
306
9.0
465
8.8
306
9.0
468
8.4
302
8.6
450
8.8
301
8.7
439
8.4
302
8.8
453
8.4
307
9.0
460
Categories
Categories
Shared Categories
IBM Db2
IBM Db2
PostgreSQL
PostgreSQL
IBM Db2 and PostgreSQL are categorized as Relational Databases
Unique Categories
PostgreSQL
PostgreSQL has no unique categories
Reviews
Reviewers' Company Size
IBM Db2
IBM Db2
Small-Business(50 or fewer emp.)
13.7%
Mid-Market(51-1000 emp.)
20.3%
Enterprise(> 1000 emp.)
66.0%
PostgreSQL
PostgreSQL
Small-Business(50 or fewer emp.)
35.9%
Mid-Market(51-1000 emp.)
33.8%
Enterprise(> 1000 emp.)
30.3%
Reviewers' Industry
IBM Db2
IBM Db2
Information Technology and Services
21.6%
Banking
11.6%
Computer Software
10.1%
Financial Services
7.3%
Insurance
5.9%
Other
43.5%
PostgreSQL
PostgreSQL
Information Technology and Services
27.3%
Computer Software
23.1%
Internet
4.3%
Financial Services
4.1%
Telecommunications
2.9%
Other
38.3%
Alternatives
IBM Db2
IBM Db2 Alternatives
Oracle Database
Oracle Database
Add Oracle Database
Amazon Relational Database Service (RDS)
Amazon Relational Database Service (RDS)
Add Amazon Relational Database Service (RDS)
SAP HANA Cloud
SAP HANA Cloud
Add SAP HANA Cloud
Teradata Vantage
Teradata Vantage
Add Teradata Vantage
PostgreSQL
PostgreSQL Alternatives
Microsoft SQL Server
MS SQL
Add Microsoft SQL Server
MySQL
MySQL
Add MySQL
Oracle Database
Oracle Database
Add Oracle Database
Amazon Relational Database Service (RDS)
Amazon Relational Database Service (RDS)
Add Amazon Relational Database Service (RDS)
Discussions
IBM Db2
IBM Db2 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
Nuno O.
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
Matthias F.
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
PostgreSQL
PostgreSQL Discussions
What are the advantages and disadvantages of PostgreSQL?
2 Comments
Alexandre G.
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
Nigel H.
NH
Hey Jay, We use Postgresql on all of our cloud servers. We connect via SSL connections to the specific...Read more
What programs use PostgreSQL?
1 Comment