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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
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Oracle Database In-Memory
Ranking in Embedded Database
3rd
Average Rating
8.8
Reviews Sentiment
8.3
Number of Reviews
30
Ranking in other categories
Relational Databases Tools (9th)
 

Mindshare comparison

As of March 2025, in the Embedded Database category, the mindshare of DuckDB is 11.5%, up from 2.2% compared to the previous year. The mindshare of Oracle Database In-Memory is 7.8%, down from 16.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Embedded Database
 

Featured Reviews

AM
Highly efficient data processing, optimizes infrastructure, and offers good integrations
DuckDB is very fast. If we don't have enough memory, we can use swap. For instance, if we use a fast storage space, the system volume in Kubernetes could be a fast swap for DuckDB if we have memory limits. In our framework, DuckDB is five times faster than Spark in some cases. It has an extensive SQL dialect, many SQL Windows functions, and good integration with Polars. We can easily use SQL and Pandas framework in Python to process data.
Md Al-Amin - PeerSpot reviewer
Ensures that users experience a good return on investment
Firstly, a user should prepare the operating system for installation, and then we have to copy the software to install the product. When dealing with scenarios related to Oracle Real Application Clusters, users need to add nodes and storage. The setup process is a little bit complex compared to DB2. The setup process of Oracle Database In-Memory takes around five to six hours to install Oracle Real Application Clusters, if everything is okay, apart from which the other processes will take a day. The solution is deployed on an on-premises model. The cloud-based solution is available for testing and development, and it need not be installed in your environment. A user just needs to do a few clicks and select the database, after which it automatically gets installed in the cloud. Only in the on-premises version of the product, there is a need to do some work in the tool.

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."
"It accelerates query processing, which in turn speeds up operations and streamlines workflow, and ultimately enhancing productivity."
"It efficiently handles low-code data and supports read-and-write operations for clustering."
"The solution's most valuable feature is its performance optimization within our hardware environment."
"The most valuable aspects of this solution are the fast caching and improved performance to the database"
"The solution is very fast."
"The solution's ROI is excellent."
"Oracle Database In-Memory is a suite of features that improves performance for real-time analytics and mixed workloads."
"The scalability is very good."
 

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 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."
"They should improve the solution's scalability for large databases."
"The dashboard requires some refreshment or configuration improvements."
"Lacks sufficient integration with other tools."
"The solution is quite expensive."
"The platform’s pricing needs improvement."
"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."
 

Pricing and Cost Advice

Information not available
"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."
"I rate the pricing a zero out of ten because Database In-Memory is too costly."
"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."
"Oracle Database In-Memory is expensive."
"It's quite costly and it comes with a fixed price."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
19%
Computer Software Company
11%
Manufacturing Company
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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 do you like most about Oracle Database In-Memory?
We can integrate it with any data sources as well.
What is your experience regarding pricing and costs for Oracle Database In-Memory?
Oracle Database In-Memory is very expensive. Additionally, there are extra costs for some features.
What needs improvement with Oracle Database In-Memory?
The dashboard requires some refreshment or configuration improvements. Also, the pricing could be addressed.
 

Overview

 

Sample Customers

Information Not Available
Shanghai Customs
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