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Welcome to HDBC, Haskell Database Connectivity.
HDBC provides an abstraction layer between Haskell programs and SQL relational databases. This lets you write database code once, in Haskell, and have it work with any number of backend SQL databases (MySQL, Oracle, PostgreSQL, ODBC-compliant databases, etc.)
HDBC is modeled loosely on Perl's DBI interface, though it has also been influenced by Python's DB-API v2, JDBC in Java, and HSQL in Haskell.
HDBC is a from-scratch effort. It is not a reimplementation of HSQL, though its purpose is the same.
HDBC has many features.
HDBC was originally written by John Goerzen. It is licensed under a BSD3 license.
- HDBC API Documentation starts here; the full reference is at the HDBC Hackage page
- Known HDBC Database Backend Drivers
- Programs that use HDBC -- many with useful example code
- Frequently Asked Questions (FAQs) about HDBC
- Migrating from HDBC 1.0 to HDBC 1.1
- What's New in HDBC 2.0 - includes info on migrating from 1.1.6
- Real World Haskell - Chapter 21. Using Databases - good introduction to HDBC
- Source downloads are available from the HDBC Hackage page
- The latest development trees are available via the Github project page
- You can find Debian packages from the HDBC Debian Page
- RPMs and packages for many other Linux and BSD distributions are also included with your distribution.
Contributions to HDBC are always welcome. If you'd like to send a patch, then please fork the git repository, and submit a pull request via github.
In addition, here are some notes for developers: