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MariaDB vs Oracle Database In-Memory comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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
MariaDB offers cost savings, secure AI data handling, SQL integration, and community-driven features, benefiting up to 90% of users.
Sentiment score
4.3
Oracle Database In-Memory offers substantial ROI and benefits, though support costs may impact long-term finances for some 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
6.2
MariaDB offers enterprise support but most users rely on clear documentation and community assistance to resolve issues.
Sentiment score
5.5
Oracle Database In-Memory customer service improves in some regions but is inconsistent, with users finding varied support experiences.
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
Support quality varies across regions, with more advanced solutions from the U.S. and UK compared to Asian region support.
DB Architect / Consultant at Virtusa Global
The technical support from Oracle is very good.
Technical Solution Architect at Vodafone
I rate the technical support of Oracle an eight or nine out of ten.
Sr. Oracle Database Administrator at Shoukat Khanum Memorial Hospital
 

Scalability Issues

Sentiment score
6.8
MariaDB is scalable, excelling in small to medium setups but needing extra tools and configuration for larger environments.
Sentiment score
7.7
Oracle Database In-Memory is highly scalable and easily adjustable, effectively managing large datasets and supporting enterprise needs.
A specific challenge I have faced is troubleshooting performance degradation during heavy write transaction tables.
Student at Raisoni Group
 

Stability Issues

Sentiment score
7.7
MariaDB is stable and reliable, though specific configurations like clustering may pose occasional stability issues.
Sentiment score
7.6
Users find Oracle Database In-Memory stable and reliable, despite occasional bugs and high maintenance needs for resource-intensive setups.
We haven't found issues with the stability of MariaDB.
Co-Founder at Vsigma IT Labs Pvt Ltd
Oracle Database In-Memory is stable, which means there are no glitches or issues.
Technical Solution Architect at Vodafone
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.
Sr. Oracle Database Administrator at Shoukat Khanum Memorial Hospital
 

Room For Improvement

MariaDB enhances integration and UI but needs improved stability, replication, views, BI tool integration, and complex query performance.
Oracle Database In-Memory users seek enhancements in cost, installation, integration, security, scalability, interface, and column store support.
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
Allowing in-memory support features to handle processes without relying heavily on vector databases.
DB Architect / Consultant at Virtusa Global
The area where improvement is required the most in the product is the UI.
Technical Solution Architect at Vodafone
 

Setup Cost

MariaDB is a cost-effective, open-source database solution offering a free Community Edition and affordable enterprise alternatives to Oracle.
Oracle Database In-Memory is costly, yet offers valuable performance and features, benefiting larger enterprises despite high licensing fees.
MariaDB is in the pricey range, especially for huge databases handling terabytes of data.
Co-Founder at Vsigma IT Labs Pvt Ltd
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.
DB Architect / Consultant at Virtusa Global
The pricing for Oracle Database In-Memory is more affordable.
Sr. Oracle Database Administrator at Shoukat Khanum Memorial Hospital
 

Valuable Features

MariaDB is reliable and scalable, offering open-source benefits, SQL compliance, excellent performance, and broad community support for various needs.
Oracle Database In-Memory enhances performance with real-time analytics, backward compatibility, automated configuration, fast queries, and efficient management.
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
The biggest benefit of Oracle Database In-Memory is dealing with a huge amount of information without any latency for our response time.
Technical Solution Architect at Vodafone
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.
DB Architect / Consultant at Virtusa Global
 

Categories and Ranking

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)
Oracle Database In-Memory
Ranking in Relational Databases Tools
11th
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
33
Ranking in other categories
Embedded Database (2nd)
 

Mindshare comparison

As of June 2026, in the Relational Databases Tools category, the mindshare of MariaDB is 3.5%, down from 6.4% compared to the previous year. The mindshare of Oracle Database In-Memory is 2.2%, up from 1.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
MariaDB3.5%
Oracle Database In-Memory2.2%
Other94.3%
Relational Databases Tools
 

Featured Reviews

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.
Hosney Osman - PeerSpot reviewer
Technical Solution Architect at Vodafone
Real-time analytics have transformed response times and support huge data volumes with compression
I do not have any comment related to the improvement of the solution; for sure, it needs improvement, but for my use cases, it is very sufficient, and I think for the biggest companies, it needs a very powerful infrastructure. The area where improvement is required the most in the product is the UI. The problem with the UI is that it is not complex for understanding, but it needs some training to know what each button does, how it works, and the many variables needed.
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
10%
Comms Service Provider
9%
University
9%
Financial Services Firm
14%
Comms Service Provider
8%
Construction Company
7%
Marketing Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business28
Midsize Enterprise12
Large Enterprise26
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise23
 

Questions from the Community

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.
What needs improvement with Oracle Database In-Memory?
I do not have any comment related to the improvement of the solution; for sure, it needs improvement, but for my use cases, it is very sufficient, and I think for the biggest companies, it needs a ...
What is your primary use case for Oracle Database In-Memory?
The major use case for Oracle Database In-Memory is real-time applications that need a fast response between the application and the database directly without any latency.
 

Overview

 

Sample Customers

Google, Wikipedia, Tencent, Verizon, DBS Bank, Deutsche Bank, Telefónica, Huatai Securities
Shanghai Customs
Find out what your peers are saying about MariaDB vs. Oracle Database In-Memory and other solutions. Updated: June 2026.
900,644 professionals have used our research since 2012.