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DuckDB vs Oracle Database In-Memory 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

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
3rd
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
33
Ranking in other categories
Relational Databases Tools (10th)
 

Mindshare comparison

As of May 2026, in the Embedded Database category, the mindshare of DuckDB is 11.9%, up from 11.7% compared to the previous year. The mindshare of Oracle Database In-Memory is 11.7%, up from 8.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Embedded Database Mindshare Distribution
ProductMindshare (%)
Oracle Database In-Memory11.7%
DuckDB11.9%
Other76.4%
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."
"Security is the most valuable feature."
"Database In-Memory, to me, is the most compelling reason to go to Oracle 12c, release 1."
"I like Oracle because it is a backward-compatible solution."
"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."
"The most valuable feature of Database In-Memory is that it's really fast."
"The solution provides a good environment and it's a product we trust."
"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."
"The benefits of data compression in Oracle Database In-Memory are great because we are using data, and it saves a lot regarding sizing."
 

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."
"They should lower the price. My customers think that it's too expensive."
"The query optimization and backup features should be added."
"Technical support is below our expectations currently. It could be improved."
"Especially, if you have large data, then it's not very efficient."
"We often have to find solutions on our own through the support site, so there's room for improvement in this regard."
"They should improve the solution's scalability for large databases."
"The platform’s pricing needs improvement."
"The product could benefit from enhancements in its graphical user interface."
 

Pricing and Cost Advice

Information not available
"The pricing is pretty good so I rate it an eight out of ten."
"The product 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."
"It's quite costly and it comes with a fixed price."
"The solution's pricing is high."
"Oracle Database In-Memory is expensive."
"The platform's licensing cost needs improvement."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Computer Software Company
10%
Comms Service Provider
9%
Government
8%
Financial Services Firm
15%
Comms Service Provider
9%
Marketing Services Firm
7%
Government
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 experience regarding pricing and costs for DuckDB?
We use the open-source version of DuckDB and don't have costs associated with it. There is a company that provides commercial software, but we use the open-source library, not the services.
What needs improvement with DuckDB?
Sometimes we have memory issues that cause job failures, which we don't fully understand why, but we can rerun the jobs without problems. There were also problems with binary formats in the previou...
What is your primary use case for DuckDB?
We use the concept of a feature store. We need the engine, and we use Feast as our feature store framework to build our feature store. We use the DuckDB engine as a data engine, which helps us move...
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 SAP, SQLite, Oracle and others in Embedded Database. Updated: May 2026.
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