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DuckDB vs Firebird SQL 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
Reviews Sentiment
6.5
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Firebird SQL
Ranking in Embedded Database
3rd
Average Rating
7.8
Reviews Sentiment
7.4
Number of Reviews
15
Ranking in other categories
Open Source Databases (4th)
 

Mindshare comparison

As of March 2026, in the Embedded Database category, the mindshare of DuckDB is 12.3%, up from 11.7% compared to the previous year. The mindshare of Firebird SQL is 15.9%, down from 24.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Embedded Database Mindshare Distribution
ProductMindshare (%)
Firebird SQL15.9%
DuckDB12.3%
Other71.8%
Embedded Database
 

Featured Reviews

AM
Head of Data Science center of excellence at Ameriabank CJSC
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.
reviewer1991775 - PeerSpot reviewer
Chapter Lead at a financial services firm with 201-500 employees
An open-source database to hold customer data, but its performance should be improved
Firebird SQL significantly improved our data management in many parts of our self-developed ERP system. I rate the solution's performance and speed a six out of ten. Two or three database administrators are needed to maintain the solution. A few years ago, migrating data to or from Firebird SQL was a little bit difficult because the identifier names for tables or stored procedures were limited to 20 to 30 characters. Transferring the structure to Firebird SQL was difficult, but they fixed it in version 3, which was much easier. We are developing software with Delphi, and Delphi is also by Embarcadero. Using InterBase or Firebird SQL databases is very common, and you have some good tools for developing with Firebird SQL. Overall, I rate the solution a seven out of ten.

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 reliability and ease of management are very valuable."
"I find the ease of deployment to be the most valuable aspect of this solution."
"The documentation is very well written."
"I can deploy it on Linux, Mac OS, and Windows — it's very easy."
"The most valuable feature of Firebird SQL is the creation of databases."
"The solution is very useful for stock management."
"I appreciate the fact that, once the database is embedded, it doesn't need to be administered, and removes the requirement for a specific server."
"Firebird SQL is an open-source solution and can run on most operating systems, such as Linux, Unix, and Windows."
 

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."
"We would like to improve the management of very large databases."
"Firebird SQL's performance has slowed since Firebird SQL 3 or 3.5 versions, where they developed over-the-wire encryption."
"In the next release, it should support JSON, XML, and replication with third-party tools."
"Database sharing is a capability that Firebird SQL lacks."
"Technical support and performance could be better. We have some problems with this solution, but we don't know if the problem is with the database or the configuration. For example, sometimes, the users can't access the database."
"It is not easy to integrate the tool with Visual Studio."
"It would be good to have more automation and integration with the tools from other vendors."
"On large databases, we have some difficulties."
 

Pricing and Cost Advice

Information not available
"Firebird SQL is an open-source solution, which means it is a free product."
"There is a yearly maintenance fee for the use of the solution."
"The tool is open source."
"We are using the free solution, so there is no cost involved."
"It's open-source and free."
"It is a public domain system as every customer can install it on their system without paying any license fee."
"I was using the free version of Firebird SQL."
"It is okay."
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Comms Service Provider
10%
Computer Software Company
9%
Manufacturing Company
7%
Computer Software Company
13%
Comms Service Provider
11%
Manufacturing Company
9%
Financial Services Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise3
 

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...
How does Firebird SQL compare with PostgreSQL?
PostgreSQL was designed in a way that provides you with not only a high degree of flexibility but also offers you a cheap and easy-to-use solution. It gives you the ability to redesign and audit yo...
What do you like most about Firebird SQL?
Firebird SQL is an open-source solution.
What needs improvement with Firebird SQL?
We would like to improve the management of very large databases. We have databases up to three or four terabytes, and it's not so easy to manage such large databases.
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
Elekt Labs, Streamsoft, wobe-systems GmbH, DRB Systems, Moscow City Hospital #31
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