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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
39th
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 August 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 1.7% 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+."
"We find the dashboard and the speed of data processing very valuable in Oracle Database In-Memory."
"The scalability is very good."
"The solution's most valuable feature is its performance optimization within our hardware environment."
"It accelerates query processing, which in turn speeds up operations and streamlines workflow, and ultimately enhancing productivity."
"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."
"I like Oracle because it is a backward-compatible solution."
"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."
"We can provide a high standard with this solution to our customers by using such products."
 

Cons

"The solution should have a more user-friendly user interface."
"Technical support is below our expectations currently. It could be improved."
"The solution should move to the new way of writing software code with AI that is intelligent and learns."
"The product could benefit from enhancements in its graphical user interface."
"The solution is quite expensive."
"Lacks sufficient integration with other tools."
"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."
"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."
"Oracle Database In-Memory could improve by better supporting generative AI challenges, such as hallucination management."
 

Pricing and Cost Advice

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

By visitors reading reviews
Financial Services Firm
44%
Comms Service Provider
7%
Educational Organization
5%
Energy/Utilities Company
5%
Financial Services Firm
13%
Comms Service Provider
9%
Construction Company
7%
Outsourcing Company
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.
 

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: August 2026.
908,834 professionals have used our research since 2012.