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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
25th
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
9th
Average Rating
8.8
Reviews Sentiment
7.4
Number of Reviews
32
Ranking in other categories
Embedded Database (2nd)
 

Mindshare comparison

As of October 2025, in the Relational Databases Tools category, the mindshare of kdb+ is 0.5%, up from 0.2% compared to the previous year. The mindshare of Oracle Database In-Memory is 1.8%, up from 1.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Market Share Distribution
ProductMarket Share (%)
Oracle Database In-Memory1.8%
kdb+0.5%
Other97.7%
Relational Databases Tools
 

Featured Reviews

Nitin Garg - PeerSpot reviewer
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…
Laksiri Bala - PeerSpot reviewer
Faster processing and improved memory operations have enhanced transaction and analytics efficiency
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. It also offers specific memory areas, like in-memory cache, that act as intermediaries between disk and buffer cache. This feature helps organizations handle real-time memory requirements effectively.

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 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 can integrate it with any data sources as well."
"The on-premise version is stable. We have different teams and resources for the server side, for admin, and for development. We can easily take care of all the services and applications."
"We find the dashboard and the speed of data processing very valuable in Oracle Database In-Memory."
"The solution is very fast."
"The application development is very user-friendly."
"The scalability of the solution is very good. It's able to support large amounts of data."
"Security is the most valuable feature."
 

Cons

"The solution should have a more user-friendly user interface."
"Lacks sufficient integration with other tools."
"Technical support is below our expectations currently. It could be improved."
"The product could be more economical."
"The solution is quite expensive."
"I would like Oracle Database In-Memory to include a data replication feature."
"The solution should move to the new way of writing software code with AI that is intelligent and learns."
"Oracle should include column store or advanced query optimization so a database can be optimized by enabling analytic queries to run faster."
"Oracle Database In-Memory could improve by better supporting generative AI challenges, such as hallucination management."
 

Pricing and Cost Advice

Information not available
"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."
"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."
"Oracle Database In-Memory is expensive."
"The product is expensive."
"The solution's pricing is high."
"I rate the pricing a zero out of ten because Database In-Memory is too costly."
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Top Industries

By visitors reading reviews
Financial Services Firm
42%
Retailer
7%
Energy/Utilities Company
7%
Computer Software Company
7%
Financial Services Firm
20%
Computer Software Company
8%
Manufacturing Company
7%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise22
 

Questions from the Community

What do you like most about kdb+?
The solution returns data quickly, and data retrieval is fast in kdb+.
What needs improvement with kdb+?
The solution should have a more user-friendly user interface.
What is your primary use case for kdb+?
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+ f...
What do you like most about Oracle Database In-Memory?
We can integrate it with any data sources as well.
What needs improvement with Oracle Database In-Memory?
I currently don't know how Oracle Database In-Memory has benefited my organization. We recently received this query from our high management to use this In-Memory function, so we are currently in p...
 

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 2025.
868,759 professionals have used our research since 2012.