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DuckDB vs Oracle Database In-Memory 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

DuckDB
Ranking in Embedded Database
5th
Average Rating
8.6
Reviews Sentiment
6.5
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Oracle Database In-Memory
Ranking in Embedded Database
2nd
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
33
Ranking in other categories
Relational Databases Tools (17th)
 

Mindshare comparison

As of October 2026, in the Embedded Database category, the mindshare of DuckDB is 10.8%, down from 12.4% compared to the previous year. The mindshare of Oracle Database In-Memory is 11.9%, up from 10.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Embedded Database Mindshare Distribution
ProductMindshare (%)
Oracle Database In-Memory11.9%
DuckDB10.8%
Other77.3%
Embedded Database
 

Featured Reviews

MC
Senior Analytics Engineer at a tech vendor with 501-1,000 employees
Caching analytics queries has reduced repeated compute and supports faster embedded reporting
The use of DuckDB as a cache for analytics in an embedded analytics product is a valuable feature. It helps manage compute resources efficiently by preventing repeated computations of the same query. This has made it quite handy and quick to implement, which aligns with the fast-paced needs of our engineering team.
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 use of DuckDB as a cache for analytics in an embedded analytics product is a valuable feature."
"DuckDB is very fast."
"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."
"The solution is very fast."
"Overall, it's a very good solution."
"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 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 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."
"The solution's ROI is excellent."
 

Cons

"Sometimes we have memory issues that cause job failures, which we don't fully understand why, but we can rerun the jobs without problems."
"It would be good if Oracle could reduce downtime when transferring from non-In-Memory to In-Memory."
"We often have to find solutions on our own through the support site, so there's room for improvement in this regard."
"The solution is very expensive."
"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."
"The area where improvement is required the most in the product is the UI."
"The product could be more economical."
"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 high cost of the product is an area of concern where improvements are required."
 

Pricing and Cost Advice

Information not available
"Oracle Database In-Memory is expensive."
"I rate the pricing a zero out of ten because Database In-Memory is too costly."
"Database In-Memory is priced a bit higher than its competitors like Microsoft."
"It's quite costly and it comes with a fixed price."
"The product is expensive."
"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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917,743 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
12%
Comms Service Provider
11%
Computer Software Company
9%
Government
8%
Comms Service Provider
12%
Financial Services Firm
12%
Outsourcing Company
9%
Manufacturing 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

What is your primary use case for DuckDB?
My main use case for DuckDB is that we're using it as a cache for analytics. We have an embedded analytics product, and in order to manage our compute resources, we are using DuckDB so that we do n...
What advice do you have for others considering DuckDB?
I have worked with DuckDB. I'm not doing much with DuckDB directly anymore as it's now implemented, so I'm not dealing with it. DuckDB is implemented as a team-wide workflow, but no one works on it...
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

Information Not Available
Shanghai Customs
Find out what your peers are saying about DuckDB vs. Oracle Database In-Memory and other solutions. Updated: September 2026.
917,743 professionals have used our research since 2012.