MySQL database storage engines are programs that are integrated into MySQL database management system to manage data tables. MySQL 5.0 supports the following major storage engines:

MyISAM Storage Engine - MySQL default storage engine. Based on ISAM database concept. MyISAM is not transaction safe.

InnoDB Storage Engine - A transaction safe storage engine developed by Innobase Oy (an Oracle company).

BDB (BerkeleyDB) Storage Engine - A transaction safe storage engine originally developed at U.C. Berkeley. Sleepycat Software, Inc. was created in 1996 to continue BDB development. Sleepycat is an Oracle company now.

CSV Storage Engine - A simple storage engine storing data as text files using comma-separated values format.

MEMORY (HEAP) Storage Engine Storage Engine - A storage engine storing data in computer main memory.