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IBM Db2 Database vs Oracle Database In-Memory comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 4, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
6.6
IBM Db2 Database offers high ROI with enhanced efficiency and performance, despite initial costs, supporting seamless business projects.
Sentiment score
6.0
Oracle Database In-Memory provides varying ROI, with significant benefits but some users report challenges with support costs affecting returns.
 

Customer Service

Sentiment score
6.5
IBM Db2 support is generally reliable yet requires speed improvements; users find response times and expertise occasionally lacking.
Sentiment score
5.1
Oracle Database In-Memory support experience varies, with regional differences and reliance on self-solutions due to inconsistent assistance.
We normally receive substantial discounts on the price.
Support quality varies across regions, with more advanced solutions from the U.S. and UK compared to Asian region support.
I rate the technical support of Oracle an eight or nine out of ten.
 

Scalability Issues

Sentiment score
7.1
IBM Db2 excels in scalability for large companies but faces challenges with horizontal scaling and increasing costs.
Sentiment score
7.9
Oracle Database In-Memory scales efficiently for thousands of users, supporting large setups with minimal performance impact and high satisfaction.
 

Stability Issues

Sentiment score
7.7
IBM Db2 Database is highly rated for stability and reliability, though performance can dip with significant data growth.
Sentiment score
7.7
Oracle Database In-Memory is highly rated for stability, reliability, and support, suitable for high-transaction systems with resource needs.
It was very difficult to move data from on-site to cloud in one attempt at the start, because we didn't have sufficient bandwidth to copy the data files to the cloud.
 

Room For Improvement

IBM Db2 Database needs usability, integration, and cloud improvements, plus better licensing, analytics, security, and standardization tools.
Oracle Database In-Memory needs enhancements in analytics, scalability, security, cost efficiency, interface, and AI integration for optimal use.
It might be slightly slower than other database vendors, but it works well since banks typically do not move quickly with leading-edge technology.
Enhancing features like CAG augmentation and cache augmentation could significantly optimize performance for large language models.
 

Setup Cost

IBM Db2 pricing is complex and expensive, especially in Africa and the Middle East, but offers robust features.
Oracle Database In-Memory is costly, justified by performance, but may deter smaller companies despite recent cloud cost reductions.
Recent reductions in cloud costs and learning opportunities, such as free portals for students, make the pricing reasonable without hindering access to powerful features and performance.
The pricing for Oracle Database In-Memory is more affordable.
 

Valuable Features

IBM Db2 Database offers SQL, Java integration, scalability, security, and seamless IBM integration for flexible, reliable enterprise applications.
Oracle Database In-Memory enhances performance, real-time analytics, security, flexibility, and transaction efficiency for large data volumes and data warehouses.
IBM Db2 Database, because of enterprise performance and support, is why banks still maintain their relationship with it.
The IBM Db2 Database is trusted, and IT effort is less than any other product.
The valuable features of Oracle Database In-Memory include its capability to bypass disk storage for faster memory operations, which is critical for transactions and analytics.
 

Categories and Ranking

IBM Db2 Database
Ranking in Relational Databases Tools
6th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
75
Ranking in other categories
No ranking in other categories
Oracle Database In-Memory
Ranking in Relational Databases Tools
9th
Average Rating
8.8
Reviews Sentiment
7.6
Number of Reviews
32
Ranking in other categories
Embedded Database (3rd)
 

Mindshare comparison

As of August 2025, in the Relational Databases Tools category, the mindshare of IBM Db2 Database is 7.6%, up from 6.6% compared to the previous year. The mindshare of Oracle Database In-Memory is 1.7%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools
 

Featured Reviews

Michael Raz - PeerSpot reviewer
Efficient access path optimization and performance excellence with helpful support
IBM Db2 for zOS serves as the central database for all the core business applications in the two banks I work with. All applications use Db2 as a data server. We fully implement and utilize most of Db2's functionalities and capabilities for core banking business applications IBM Db2 has…
Laksiri Bala - PeerSpot reviewer
Faster processing and improved memory operations have enhanced transaction and analytics efficiency
The valuable features of Oracle Database In-Memory include its capability to bypass disk storage for faster memory operations, which is critical for transactions and analytics. It also offers specific memory areas, like in-memory cache, that act as intermediaries between disk and buffer cache. This feature helps organizations handle real-time memory requirements effectively.
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865,164 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
20%
Manufacturing Company
10%
Government
10%
Computer Software Company
9%
Financial Services Firm
18%
Computer Software Company
10%
Government
7%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about IBM Db2 Database?
Db2 database scalability and performance capabilities match our database needs. It covers pretty much everything a database administrator or engineer might need.
What is your experience regarding pricing and costs for IBM Db2 Database?
IBM Db2 is an expensive solution. While I am not heavily involved with pricing, additional companies provide capabilities or products like those from BMC, which many installations might also purchase.
What needs improvement with IBM Db2 Database?
The IBM Db2 Database is a good solution, but now there is a high maintenance charge. The IBM Db2 Database needs improved support, and there are many difficulties in using it. We tend to use the clo...
What do you like most about Oracle Database In-Memory?
We can integrate it with any data sources as well.
What needs improvement with Oracle Database In-Memory?
I currently don't know how Oracle Database In-Memory has benefited my organization. We recently received this query from our high management to use this In-Memory function, so we are currently in p...
 

Also Known As

DB2
No data available
 

Overview

 

Sample Customers

Knorr-Bremse, Mizuho Bank Ltd., Australian Government Department of Defence, SCHWENK Zement, Friedhelm Loh Group, YAZAKI Europe Limited, Ekornes ASA, Baldor Electric, VSN Systemen BV, Lion Brewery (Ceylon) PLC, PLANSEE Group, TE Connectivity, Hansgrohe SE, Openmatics, University of Toronto
Shanghai Customs
Find out what your peers are saying about IBM Db2 Database vs. Oracle Database In-Memory and other solutions. Updated: July 2025.
865,164 professionals have used our research since 2012.