How to use Delphi with Firebird?

There are various ways and various degrees of compatibility.

Mostly works. There are few ODBC drivers. The official one if functional, EasySoft, XTG and Gemini provide valid alternatives. There seems to be a bug with official Firebird ODBC driver and date fields (only date part is set when writing).

This is the InterBase tab in Delphi. Basic stuff like Query work fine, even with Firebird 2.0. Probably easiest to setup and start working.

Commercial. Specialized for Interbase/Firebird. Lags a little with latest Firebird development, but always manages to catch up in time. Bugs and new features are added really fast (once you request them). Also provides a set of specialized data aware controls.

Commercial, claims full support even for newest Firebird features.

Mercury Data Objects, Open source, created from FreeIBComponents by Greg Deatz.

Unified Interbase, Open source

Open source, not data aware, released under LGPL

Open source, dual licensed under GPL and LGPL. Made for accessing Firebird via Lazarus, but also works with Delphi versions 5-11, C++Builder 5 and 6 and Kylix 2 and 3. ZeosLIB version 7 should work with Delphi 2009.

Universal Data Access Components (UniDAC) is a library of components
providing direct access to databases from Delphi, C++Builder, RAD
Studio, FireMonkey, Lazarus and Free Pascal on Windows, Mac OS X, iOS,
Android, Linux and FreeBSD for both 32-bit and 64-bit platforms. Beside Firebird, UniDAC also supports Oracle, Microsoft SQL Server,
MySQL, InterBase, PostgreSQL, SQLite, DB2, Microsoft Access, Sybase
Advantage Database Server, Sybase
Adaptive Server Enterprise. A free 60-day trial version available for download.

We appreciate feedback from users of these components as we didn't have a chance to test them ourselves. Please e-mail us about your experiences and help us improve this FAQ. Thanks.

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