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Oracle Database In-Memory vs kdb+ comparison

 

Comparison Buyer's Guide

Executive Summary

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

kdb+
Ranking in Relational Databases Tools
37th
Average Rating
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
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 kdb+ is 0.9%, up from 0.4% 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 (%)
Oracle Database In-Memory2.2%
kdb+0.9%
Other96.9%
Relational Databases Tools
 

Featured Reviews

Nitin Garg - PeerSpot reviewer
Vice President - Financial Services at Evalueserve
An easy-to-deploy solution that can be used for data ingestion and usage
I work for a fintech company where we create several strategies generally built on finance data, which are like one-time series data. We deal with huge bulk data on a daily basis, and we use kdb+ for data ingestion and usage The most valuable feature of kdb+ is the speed at which it returns the…
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

"The solution returns data quickly, and data retrieval is fast in kdb+."
"The product offers high scalability."
"The most valuable aspects of this solution are the fast caching and improved performance to the database."
"The most valuable feature of Database In-Memory is that it's really fast."
"The Oracle database is easier to program and manage, and is secure."
"It accelerates query processing, which in turn speeds up operations and streamlines workflow, and ultimately enhancing productivity."
"The application development is very user-friendly."
"After we started using the in-memory product, we saw really dramatic figures."
"Combined with Exadata, it makes a solution that will deliver the best performance related to the volume of data."
 

Cons

"The solution should have a more user-friendly user interface."
"For some reason, the stats optimizer doesn't work well. We had to disable some of the Oracle’s new features that are not quite mature."
"The pricing could be improved. It would ideal if it was more reasonable."
""It depends". If you get a good support engineer, it is a dream. But, most times, it is not, unfortunately."
"The solution is quite expensive."
"We often have to find solutions on our own through the support site, so there's room for improvement in this regard."
"Lacks sufficient integration with other tools."
"The solution is very expensive."
"Additionally, once we put data into Oracle, it's very hard to move it out to another solution, so we have to stay with Oracle."
 

Pricing and Cost Advice

Information not available
"The pricing is pretty good so I rate it an eight out of ten."
"The solution's pricing is high."
"It's quite costly and it comes with a fixed price."
"I rate the pricing a zero out of ten because Database In-Memory is too costly."
"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 product is expensive."
"Database In-Memory is priced a bit higher than its competitors like Microsoft."
"Oracle Database In-Memory is expensive."
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Top Industries

By visitors reading reviews
Financial Services Firm
43%
Computer Software Company
6%
Energy/Utilities Company
6%
Manufacturing Company
6%
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
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

UniCredit, AIRBUS
Shanghai Customs
Find out what your peers are saying about Microsoft, Oracle, SAP and others in Relational Databases Tools. Updated: May 2026.
900,644 professionals have used our research since 2012.