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IBM Db2 Database vs Oracle Database In-Memory comparison

IBM and Oracle are both solutions in the Relational Databases Tools category. IBM is ranked #6 with an average rating of 8.3, while Oracle is ranked #9 with an average rating of 9.2. IBM holds a 7.4% mindshare in SQL, compared to Oracle’s 1.6% mindshare. Additionally, 90% of IBM users are willing to recommend the solution, compared to 100% of Oracle users who would recommend it.
IBM Db2 Database
Read 74 IBM Db2 Database reviews
  • 5,504 Views
  • 2,309 Comparison Views
90% willing to recommend
Oracle Database In-Memory
Read 31 Oracle Database In-Memory reviews
  • 942 Views
  • 412 Comparison Views
100% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Mar 4, 2025

IBM Db2 Database and Oracle Database In-Memory compete in the enterprise database management category. Based on the comparison, IBM Db2 seems to have an advantage in flexibility and integration, whereas Oracle leads in speed and performance for analytics.

Features: IBM Db2 Database offers a versatile SQL dialect with object tables, Java method support, and user-defined functions. Its broad platform support provides flexibility across diverse environments, and its self-tuning memory management optimizes performance automatically. Oracle Database In-Memory is recognized for real-time analytics capabilities and fast performance in data warehouses due to its columnar format for queries. Its multitenant features facilitate easy database consolidation and cloning.

Room for Improvement: IBM Db2 faces challenges with a steep learning curve and difficulty in finding skilled administrators. Licensing complexity and costs are additional concerns, and there is a need for improvements in the database management interface and backup processes. Oracle Database In-Memory could improve its pricing models and adaptability, making costs lower and more automation in analytics desirable, especially for smaller businesses. AI integration and user interface enhancements are areas for both products to consider.

Ease of Deployment and Customer Service: IBM Db2 primarily offers on-premises deployments with some hybrid cloud instances. It provides strong technical support but faces availability issues outside North America. Oracle Database In-Memory offers both on-premises and hybrid cloud solutions. While it has reliable customer service, pricing and technical support may lack transparency. IBM's support is praised for its knowledge, whereas Oracle customers appreciate quick issue resolution.

Pricing and ROI: IBM Db2's pricing is high but offers bundled packages for cost-effectiveness, generally costing less than Oracle and providing better ROI through integrated solutions. Oracle Database In-Memory is known for being expensive despite including significant features in its Enterprise edition. While both systems demonstrate substantial ROI, IBM's pricing is more competitive, whereas Oracle delivers speed and performance at a higher cost.

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Buyer's Guide
IBM Db2 Database vs. Oracle Database In-Memory
June 2025
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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
7.8
IBM Db2 Database delivers substantial ROI, praised for boosting performance and efficiency, and generating significant long-term financial benefits.
Sentiment score
7.7
Organizations find Oracle Database In-Memory offers significant returns and enhanced performance, despite long-term licensing costs.
 

Customer Service

Sentiment score
6.5
IBM Db2 support is reliable, efficient, and varies by region, scoring 7-9, with room for documentation improvement.
Sentiment score
5.3
Opinions on Oracle Database In-Memory's support are mixed, citing both effective assistance and frequent issues with inconsistency and responsiveness.
We normally receive substantial discounts on the price.
For more quotes and insights, download the IBM Db2 Database report
Support quality varies across regions, with more advanced solutions from the U.S. and UK compared to Asian region support.
For more quotes and insights, download the Oracle Database In-Memory report
 

Scalability Issues

Sentiment score
7.2
IBM Db2 Database excels in scalability and performance but may have cost and horizontal scaling limitations compared to Oracle.
Sentiment score
7.9
Oracle Database In-Memory excels in scalability, supporting large-scale operations and multiple users with minimal performance impact and downtime.
 

Stability Issues

Sentiment score
7.9
IBM Db2 Database is highly stable and reliable, frequently scoring eight to ten out of ten for stability.
Sentiment score
8.0
Oracle Database In-Memory is stable, reliable, and ideal for high-transaction systems, though premium support may be necessary.
 

Room For Improvement

IBM Db2 requires improved UI, competitive pricing, better integration, cloud readiness, simplified management, and enhanced performance monitoring.
Oracle Database In-Memory requires analytics, security, scalability improvements; cost, user interface, migration, and support challenges persist.
It might be slightly slower than other database vendors, but it works well since banks typically do not move quickly with leading-edge technology.
For more quotes and insights, download the IBM Db2 Database report
Enhancing features like CAG augmentation and cache augmentation could significantly optimize performance for large language models.
For more quotes and insights, download the Oracle Database In-Memory report
 

Setup Cost

IBM Db2 Database offers cost-effective enterprise solutions but experiences complex licensing, often less costly than Oracle and pricier than SQL Server.
Oracle Database In-Memory is costly but valued for features; however, smaller businesses struggle despite recent cost reductions.
No quotes available
For more quotes and insights, download the IBM Db2 Database report
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.
For more quotes and insights, download the Oracle Database In-Memory report
 

Valuable Features

IBM Db2 Database impresses with powerful SQL, security, and scalability, ideal for enterprises due to its versatility and resilience.
Oracle Database In-Memory boosts performance with fast transactions, real-time capabilities, advanced security, and efficient memory management for large datasets.
IBM Db2 Database, because of enterprise performance and support, is why banks still maintain their relationship with it.
For more quotes and insights, download the IBM Db2 Database report
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.
For more quotes and insights, download the Oracle Database In-Memory report
 

Categories and Ranking

IBM Db2 Database
Ranking in Relational Databases Tools
6th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
74
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
7.9
Number of Reviews
31
Ranking in other categories
Embedded Database (3rd)
 

Mindshare comparison

As of June 2025, in the Relational Databases Tools category, the mindshare of IBM Db2 Database is 7.4%, up from 6.5% compared to the previous year. The mindshare of Oracle Database In-Memory is 1.6%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools
 

Featured Reviews

ArpitKhare - PeerSpot reviewer
Offers optimizer plan and ALSM features along with exceptional stability
The TSA version of IBM Db2 Database doesn't meet my stability expectations. Every time when a switch over occurs, some stability issues can be noticed. The vendor should offer a free version of IBM Db2 Database. For instance, if our company wants to train new individuals on all the features of IBM Db2 Database, they can only be trained after purchasing the paid version of the solution. About ten years ago, a trial version was available for the solution that was highly beneficial for companies. The vendor can add AI or ML features in the future version of IBM Db2 Database.
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Laksiri Bala - PeerSpot reviewer
Faster processing and improved memory operations have enhanced transaction and analytics efficiency
The valuable features of Oracle Database In-Memory ( /products/oracle-database-in-memory-reviews ) 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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Top Industries

By visitors reading reviews
Educational Organization
45%
Financial Services Firm
12%
Computer Software Company
6%
Manufacturing Company
5%
Financial Services Firm
19%
Computer Software Company
11%
Manufacturing Company
7%
Government
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.
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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.
See all answers
What needs improvement with IBM Db2 Database?
IBM is implementing some release improvements. It might be slightly slower than other database vendors, but it works well since banks typically do not move quickly with leading-edge technology.
See all answers
What do you like most about Oracle Database In-Memory?
We can integrate it with any data sources as well.
See all answers
What is your experience regarding pricing and costs for Oracle Database In-Memory?
Pricing is justified by the performance and business value offered by Oracle Database In-Memory. Although slightly higher, recent reductions in cloud costs and learning opportunities, such as free ...
See all answers
What needs improvement with Oracle Database In-Memory?
Oracle Database In-Memory could improve by better supporting generative AI challenges, such as hallucination management. Enhancing features like CAG augmentation and cache augmentation could signif...
See all answers
 

Comparisons

SQL Server vs IBM Db2 Database Logo
SQL Server vs IBM Db2 Database
Compared 33% of the time
Oracle Database vs IBM Db2 Database Logo
Oracle Database vs IBM Db2 Database
Compared 18% of the time
SAP HANA vs IBM Db2 Database Logo
SAP HANA vs IBM Db2 Database
Compared 15% of the time
Teradata vs IBM Db2 Database Logo
Teradata vs IBM Db2 Database
Compared 13% of the time
MariaDB vs IBM Db2 Database Logo
MariaDB vs IBM Db2 Database
Compared 1% of the time
More IBM Db2 Database Competitors
SAP HANA vs Oracle Database In-Memory Logo
SAP HANA vs Oracle Database In-Memory
Compared 23% of the time
DuckDB vs Oracle Database In-Memory Logo
DuckDB vs Oracle Database In-Memory
Compared 14% of the time
SQL Server vs Oracle Database In-Memory Logo
SQL Server vs Oracle Database In-Memory
Compared 13% of the time
Progress OpenEdge RDBMS vs Oracle Database In-Memory Logo
Progress OpenEdge RDBMS vs Oracle Database In-Memory
Compared 9% of the time
Tibero vs Oracle Database In-Memory Logo
Tibero vs Oracle Database In-Memory
Compared 5% of the time
More Oracle Database In-Memory Competitors
 

Product Reports

Buyer's Guide
IBM Db2 Database
June 2025
IBM Db2 Database reportDownload IBM Db2 Database product report
Buyer's Guide
Oracle Database In-Memory
May 2025
Oracle Database In-Memory reportDownload Oracle Database In-Memory product report
 

Also Known As

DB2
No data available
 

Overview

DB2 Enterprise for Linux, UNIX, and Windows is the ideal data server for the most demanding workloads. New XML support is designed to help firms minimize the time and effort it takes to persist and use their XML data reducing development costs and improving business agility.
IBM

Oracle Database In-Memory transparently accelerates analytics by orders of magnitude while simultaneously speeding up mixed-workload OLTP. With Oracle Database In-Memory, users get immediate answers to business questions that previously took hours.

Oracle Database In-Memory delivers leading-edge in-memory performance without the need to restrict functionality, or accept compromises, complexity and risk. Deploying Oracle Database In-Memory with any existing Oracle Database compatible application is as easy as flipping a switch - no application changes are required. Oracle Database In-Memory is fully integrated with the Oracle Database’s renowned scale-up, scale-out, storage tiering, availability, and security technologies making it the most industrialstrength offering on the market.

The ability to easily perform real-time data analysis together with real-time transaction processing on all existing applications enables organizations to transform into Real-Time Enterprises that quickly make data-driven decisions, respond instantly to customer demands, and continuously optimize all key processes.

For more information on Oracle Database In-Memory, visit Oracle.com

Oracle
 

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
Buyer's Guide
IBM Db2 Database vs. Oracle Database In-Memory
June 2025
Free Report: IBM Db2 Database vs. Oracle Database In-Memory
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