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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

"DuckDB is very fast."
"The use of DuckDB as a cache for analytics in an embedded analytics product is a valuable feature."
"We can provide a high standard with this solution to our customers by using such products."
"The solution's ROI is excellent."
"We can integrate it with any data sources as well."
"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 find the dashboard and the speed of data processing very valuable in Oracle Database In-Memory."
"I've been an Oracle customer with different companies, and one of the key things that stands out for Oracle is the support, because I also work with other database vendors and that's the biggest differentiator."
"I find the performance features of Oracle Database In-Memory to be most beneficial, with system performance in milliseconds, dual format architecture positively impacting our data processing, and clear financial benefits from its efficient operation that improve our overall operational efficiency."
 

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."
"The platform’s pricing needs improvement."
"Especially, if you have large data, then it's not very efficient."
"The pricing could be improved. It would ideal if it was more reasonable."
"We often have to find solutions on our own through the support site, so there's room for improvement in this regard."
"We have a very large table and a low dose. It is very expensive in data to load all of them into In-Memory. It takes up more memory slots in the server, as well as a lot of RAM."
"The dashboard requires some refreshment or configuration improvements."
"We use some partitions in In-Memory. We have a very large table and a low dose. It is very expensive in data to load all of them into In-Memory. It takes up more memory slots in the server, as well as a lot of RAM. We use last partitions on the table. We always need to create a script and make a schedule that can load a last partition in In-Memory. Oracle doesn't have features to do this automatically. I would like them to allow us to load last partitions, as well as other table partitions, in In-Memory. I think a good feature would do that automatically, letting you see a table, load a large partition, and monitor loading memory. It's quite a good feature."
"The product could be more economical."
 

Pricing and Cost Advice

Information not available
"It's quite costly and it comes with a fixed price."
"Database In-Memory is priced a bit higher than its competitors like Microsoft."
"The solution's pricing is high."
"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."
"The platform's licensing cost needs improvement."
"The pricing is pretty good so I rate it an eight out of ten."
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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
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Find out what your peers are saying about DuckDB vs. Oracle Database In-Memory and other solutions. Updated: September 2026.
917,403 professionals have used our research since 2012.