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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 (3rd)
 

Mindshare comparison

As of February 2026, in the Embedded Database category, the mindshare of DuckDB is 12.6%, up from 11.3% compared to the previous year. The mindshare of Firebird SQL is 16.6%, down from 24.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Embedded Database Market Share Distribution
ProductMarket Share (%)
Firebird SQL16.6%
DuckDB12.6%
Other70.8%
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."
"It helps us in detecting all kinds of problems in the code, such as bad quality, unclear code, or any violation in the code or best practices."
"The most valuable feature of the solution is that it is reliable, offers good performance, and is easy to use."
"I like that we don't have to pay external fees to migrate this data. So, we are looking to relocate from Postgres or EDB."
"Firebird SQL is an open-source solution."
"Firebird SQL is an open-source solution and can run on most operating systems, such as Linux, Unix, and Windows."
"The reliability and ease of management are very valuable."
"We are happy with the event capabilities of Firebird SQL database. We can raise events from it and display them in our application."
"Robustness is the absolutely main feature."
 

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."
"I don't think the solution is very scalable, because the scalability of the performance when using more than one process is not very good."
"In the next release, it should support JSON, XML, and replication with third-party tools."
"It is not easy to integrate the tool with Visual Studio."
"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."
"Database sharing is a capability that Firebird SQL lacks."
"The main feature I expect is to be able to work with different databases at the same time because that's a wishlist item for me."
"The security of the users could improve in Firebird SQL."
 

Pricing and Cost Advice

Information not available
"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's open-source and free."
"We are using the free solution, so there is no cost involved."
"It is okay."
"There is no licensing cost for this solution, as it is open-source."
"The most valuable feature of the solution is that it is freely available."
"Firebird SQL is an open-source solution, which means it is a free product."
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Computer Software Company
10%
Manufacturing Company
8%
Comms Service Provider
8%
Computer Software Company
14%
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.
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
Elekt Labs, Streamsoft, wobe-systems GmbH, DRB Systems, Moscow City Hospital #31
Find out what your peers are saying about SQLite, SAP, Firebird and others in Embedded Database. Updated: January 2026.
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