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Oracle Database In-Memory vs kdb+ comparison

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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
40th
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
12th
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
33
Ranking in other categories
Embedded Database (2nd)
 

Mindshare comparison

As of September 2026, in the Relational Databases Tools category, the mindshare of kdb+ is 0.9%, up from 0.5% compared to the previous year. The mindshare of Oracle Database In-Memory is 2.2%, up from 1.7% 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 application development is very user-friendly."
"The on-premise version is stable."
"Security is the most valuable feature."
"The solution provides a good environment and it's a product we trust."
"We use the tool for real-time data transfer for risk management purposes. In a trading system, conversions happen fast. We use the product to handle fast transactions with low latency."
"We have recently deployed our database on cloud with Oracle Database In-Memory; we have a single standby on cloud, and on contingency occasions, we switch over to cloud and use it for four to five months."
"We can integrate it with any data sources as well."
"It accelerates query processing, which in turn speeds up operations and streamlines workflow, and ultimately enhancing productivity."
 

Cons

"The solution should have a more user-friendly user interface."
"Lacks sufficient integration with other tools."
"The high cost of the product is an area of concern where improvements are required."
"They should lower the price. My customers think that it's too expensive."
"The pricing could be improved. It would ideal if it was more reasonable."
"Personally, this solution wouldn't be my top choice, as it makes things difficult."
"In the next release, Oracle should include column store or advanced query optimization so a database can be optimized by enabling analytic queries to run faster."
"Especially, if you have large data, then it's not very efficient."
"Oracle Database In-Memory could improve by better supporting generative AI challenges, such as hallucination management."
 

Pricing and Cost Advice

Information not available
"Oracle Database In-Memory is expensive."
"The product is expensive."
"It's quite costly and it comes with a fixed price."
"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."
"The solution's pricing is high."
"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."
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Top Industries

By visitors reading reviews
Financial Services Firm
42%
Comms Service Provider
9%
Educational Organization
5%
Energy/Utilities Company
5%
Financial Services Firm
12%
Comms Service Provider
11%
Outsourcing Company
9%
Construction Company
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.
 

Comparisons

 

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: September 2026.
913,806 professionals have used our research since 2012.