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Citus Data 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:
 

Categories and Ranking

Citus Data
Ranking in Relational Databases Tools
28th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
3
Ranking in other categories
No ranking in other categories
Oracle Database In-Memory
Ranking in Relational Databases Tools
10th
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
33
Ranking in other categories
Embedded Database (3rd)
 

Mindshare comparison

As of May 2026, in the Relational Databases Tools category, the mindshare of Citus Data is 2.3%, down from 2.3% 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 (%)
Oracle Database In-Memory2.2%
Citus Data2.3%
Other95.5%
Relational Databases Tools
 

Featured Reviews

Arucy Lionel - PeerSpot reviewer
Co-Founder at Afriziki
Efficiently handles high-traffic scenarios and compatible with PostgreSQL extensions, offering flexibility in database management
There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward. Currently, setting up a multi-node environment is challenging. It's a bit tricky. Installation on each PostgreSQL node can lead to communication issues between nodes. An automatic rebalancing feature would be a significant improvement. Currently, I have to manually command the rebalance. It would be more convenient if it was rebalanced automatically. The dashboard and monitoring capabilities are good, but it would be helpful to have an integrated availability dashboard.
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.

Quotes from Members

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

Pros

"Its distributed processing capabilities are a standout feature. It requires minimal changes to get up and running if you already have a system on PostgreSQL. Citus can run in its natural state."
"It's very straightforward to implement the solution. It took us two days to set up everything."
"The solution is competitive with Mongo, MySQL, and maybe even Oracle."
"You can use Citus Data to write complex scripts. I like its version upgrades and disaster recovery as well."
"The scalability of the solution is very good. It's able to support large amounts of data."
"I find the performance features of Oracle Database In-Memory to be most beneficial."
"The solution provides a good environment and it's a product we trust."
"We can integrate it with any data sources as well."
"The Oracle database is easier to program and manage, and is secure."
"The product offers high scalability."
"Oracle is the best database, but I love open-source software."
"The most valuable feature is that Database In-Memory is more consistent and faster than traditional databases as it requires fewer CPUs to process instructions."
 

Cons

"More features in monitoring and the reporting could make it better."
"Citus Data needs to improve its stability. Do not consider this product if you have the budget. It is still developing and has a lot of issues."
"There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward."
"More features in monitoring and the reporting could make it better."
"Multitenant, to be honest, is a little adolescent at this point."
"They should lower the price. My customers think that it's too expensive."
"The query optimization and backup features should be added."
"Technical support is below our expectations currently. It could be improved."
"The dashboard requires some refreshment or configuration improvements."
"Oracle Database In-Memory could improve by better supporting generative AI challenges, such as hallucination management."
"Personally, this solution wouldn't be my top choice, as it makes things difficult."
"The dashboard requires some refreshment or configuration improvements."
 

Pricing and Cost Advice

"Citus Data is an open-source product."
"The solution's pricing is high."
"The product is expensive."
"There is a need to make a yearly payment towards the licensing costs, after which there is any to pay towards the support cost attached to the solution."
"The platform's licensing cost needs improvement."
"The pricing is pretty good so I rate it an eight out of ten."
"Database In-Memory is priced a bit higher than its competitors like Microsoft."
"I rate the pricing a zero out of ten because Database In-Memory is too costly."
"It's quite costly and it comes with a fixed price."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Construction Company
10%
Comms Service Provider
9%
Financial Services Firm
8%
Financial Services Firm
15%
Comms Service Provider
9%
Marketing Services Firm
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise23
 

Questions from the Community

Ask a question
Earn 20 points
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

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Find out what your peers are saying about Citus Data vs. Oracle Database In-Memory and other solutions. Updated: April 2026.
894,738 professionals have used our research since 2012.