MySQL

      MySQL is a multithreaded, multi-user, SQL Database Management System (DBMS). Features: * A broad subset of ANSI SQL 99, as well as extensions * Cross-platform support * Stored procedures * Triggers * Cursors * updatable Views * True VARCHAR support * INFORMATION_SCHEMA * Strict mode * X/Open XA distributed transaction processing (DTP) support; two phase commit as part of this, using Oracles InnoDB engine * Independent storage engines (MyISAM for read speed, InnoDB for transactions and referential integrity, Archive for storing historical data in little space) * Transactions with the InnoDB, BDB and Cluster storage engines; savepoints with InnoDB * SSL support * Query caching * Sub-SELECTs (i.e. nested SELECTs) * Replication with one master per slave, many slaves per master, no automatic support for multiple masters per slave. * Full-text indexing and searching using MyISAM engine * Embedded database library * Full Unicode support * ACID compliance using the InnoDB, BDB and Cluster engines * Shared-nothing clustering through MySQL Cluster