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IBM Db2 Database vs MariaDB 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
5.8
IBM Db2 Database provides substantial ROI, enhancing efficiency and financial benefits for organizations through seamless project implementation and strong performance.
Sentiment score
6.6
MariaDB offers cost savings, secure AI data handling, SQL integration, and community-driven features, benefiting up to 90% of users.
Since it handles vector storage and similarity searches natively alongside your relational data, I can seamlessly combine precise SQL filters with vector queries, which guarantees that the data retrieved for my AI application is always up-to-date and consistent.
Student at Raisoni Group
 

Customer Service

Sentiment score
6.4
IBM Db2 Database support is praised for expertise but faces mixed reviews due to regional disparities and documentation issues.
Sentiment score
6.2
MariaDB offers enterprise support but most users rely on clear documentation and community assistance to resolve issues.
We normally receive substantial discounts on the price.
Associate Director, Data Architecture at a financial services firm with 10,001+ employees
The reason for limitations in customer service is that the technical skills available in the market for IBM Db2 Database are limited compared to those of Oracle.
Founder, Director at perfTech Solutions Pvt Ltd
They came and tuned our queries with one-to-one assistance.
Architect at LTIMindtree
Compared to MongoDB, there are some platform deficiencies, but the support team shouldn't bear that burden.
Co-Founder at Vsigma IT Labs Pvt Ltd
 

Scalability Issues

Sentiment score
7.2
IBM Db2 is recognized for robust scalability, handling large users and transactions, but cost and Oracle's scalability are considerations.
Sentiment score
6.8
MariaDB is scalable, excelling in small to medium setups but needing extra tools and configuration for larger environments.
It can be scaled vertically or horizontally so that data insertions and data access are much faster and more secure compared to how Oracle or other databases work.
Founder, Director at perfTech Solutions Pvt Ltd
A specific challenge I have faced is troubleshooting performance degradation during heavy write transaction tables.
Student at Raisoni Group
 

Stability Issues

Sentiment score
7.8
IBM Db2 Database is highly reliable and stable, especially in banking, with minimal issues even after installation or data growth.
Sentiment score
7.7
MariaDB is stable and reliable, though specific configurations like clustering may pose occasional stability issues.
We haven't found issues with the stability of MariaDB.
Co-Founder at Vsigma IT Labs Pvt Ltd
 

Room For Improvement

IBM Db2 requires improved interfaces, integration, and performance, with focus on scalability, usability, security, and cost-effective solutions.
MariaDB enhances integration and UI but needs improved stability, replication, views, BI tool integration, and complex query performance.
Understanding the basic structure of the database, how logs or log shipping happens, how clustering works, how logs are written, where all information is stored, and how it needs to be taken care of are all critical pieces of information.
Founder, Director at perfTech Solutions Pvt Ltd
It might be slightly slower than other database vendors, but it works well since banks typically do not move quickly with leading-edge technology.
Associate Director, Data Architecture at a financial services firm with 10,001+ employees
MariaDB is scalable and easy to scale.
Co-Founder at Vsigma IT Labs Pvt Ltd
The key area where MariaDB could be improved is its native GUI tooling; while the command-line interface works perfectly fine, the built-in visual tools for administration, management, and query design feel outdated compared to some competitors.
Student at Raisoni Group
Oracle is very advanced compared to MariaDB, and those advanced features are not available in MariaDB.
Architect at LTIMindtree
 

Setup Cost

IBM Db2 pricing is seen as costly and complex, but offers value when bundled with other IBM products.
MariaDB is a cost-effective, open-source database solution offering a free Community Edition and affordable enterprise alternatives to Oracle.
MariaDB is in the pricey range, especially for huge databases handling terabytes of data.
Co-Founder at Vsigma IT Labs Pvt Ltd
 

Valuable Features

IBM Db2 Database offers powerful SQL, robust security, high performance, scalability, user-friendly interface, and compatibility with IBM products.
MariaDB is reliable and scalable, offering open-source benefits, SQL compliance, excellent performance, and broad community support for various needs.
All compliance-related aspects have been taken care of from the database point of view, including database encryption and security-related features.
Founder, Director at perfTech Solutions Pvt Ltd
The IBM Db2 Database brought benefits to my organization as we did not spend too much money on security.
Network Administrator at GAEB
IBM Db2 Database, because of enterprise performance and support, is why banks still maintain their relationship with it.
Associate Director, Data Architecture at a financial services firm with 10,001+ employees
Encryption is available in MariaDB, so we are secure for transmitting data without concern about moving over networks.
Architect at LTIMindtree
Being able to store unstructured JSON directly into a column while still using standard SQL functions such as JSON_EXTRACT to query specific keys has saved me from having to constantly alter our database schemas.
Student at Raisoni Group
Configuration, setup, and schema design are good features in MariaDB.
Co-Founder at Vsigma IT Labs Pvt Ltd
 

Categories and Ranking

IBM Db2 Database
Ranking in Relational Databases Tools
7th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
76
Ranking in other categories
No ranking in other categories
MariaDB
Ranking in Relational Databases Tools
9th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
62
Ranking in other categories
Open Source Databases (8th)
 

Mindshare comparison

As of June 2026, in the Relational Databases Tools category, the mindshare of IBM Db2 Database is 6.6%, down from 7.1% compared to the previous year. The mindshare of MariaDB is 3.5%, down from 6.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
IBM Db2 Database6.6%
MariaDB3.5%
Other89.9%
Relational Databases Tools
 

Featured Reviews

Sathyan K - PeerSpot reviewer
Founder, Director at perfTech Solutions Pvt Ltd
Database has secured high-volume transactions and supports fast, compliant workflow processing
Sterling B2B Integrator is a highly transactional-oriented application, which can be described as an OLTP application. Any data that flows through the application is stored in the database for each step that it performs. IBM Db2 Database helps the application work much faster from an OLTP perspective. IBM Db2 Database is SSL enabled, which means that from the security point of view, any access to the database is through SSL. Additionally, all compliance-related aspects have been taken care of from the database point of view, including database encryption and security-related features. It is highly scalable, and its performance related to database pruning is very good. It can be scaled vertically or horizontally so that data insertions and data access are much faster and more secure compared to how Oracle or other databases work.
AB
Co-Founder at Vsigma IT Labs Pvt Ltd
Has supported web application data needs but requires design adjustments to manage complex queries efficiently
Complex queries in MariaDB where the query needs to parse thousands of lines or data values face some performance issues. For small and medium-size volume, it is pretty good. If it goes beyond certain data and complex queries, we see performance issues. We tried the advanced replication feature between different regions, replicating data specifically residing on MariaDB to two different regions of MariaDB data, and there were some technical snags in terms of slowness and longer processing time. Point-in-time recovery in MariaDB is good for small databases. When data volume increases beyond 5 GB or 10 GB per day or runs into double-digit GBs, we found some performance issues. For data below 10 GB, it works fine. Performance is the primary focus area for MariaDB, particularly during transactions or complex query jobs where slow performance is observed. MariaDB is scalable and easy to scale.
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Top Industries

By visitors reading reviews
Financial Services Firm
20%
Manufacturing Company
9%
Government
8%
Construction Company
6%
Computer Software Company
11%
Financial Services Firm
10%
Comms Service Provider
9%
University
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise13
Large Enterprise48
By reviewers
Company SizeCount
Small Business28
Midsize Enterprise12
Large Enterprise26
 

Questions from the Community

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?
A potential area of improvement is better documentation. From an educational perspective, it is difficult for people to understand IBM Db2 Database much faster compared to databases such as Oracle ...
What is your primary use case for IBM Db2 Database?
We use IBM Db2 Database for B2B Integrator, specifically Sterling B2B Integrator, which requires a database to store all configuration details. Any workflow that is created, any configuration messa...
What is your experience regarding pricing and costs for MariaDB?
MariaDB is in the pricey range, especially for huge databases handling terabytes of data. The cost depends on the volume of data and different features enabled during configuration, such as backup ...
What needs improvement with MariaDB?
Sometimes, complex queries that were supported in Oracle are not available in MariaDB. Advanced indexing is not available. Oracle is very advanced compared to MariaDB, and those advanced features a...
What is your primary use case for MariaDB?
My client has been using MariaDB for the last four years. We are using MariaDB in the cloud.
 

Comparisons

 

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
Google, Wikipedia, Tencent, Verizon, DBS Bank, Deutsche Bank, Telefónica, Huatai Securities
Find out what your peers are saying about IBM Db2 Database vs. MariaDB and other solutions. Updated: June 2026.
900,747 professionals have used our research since 2012.