MySQL™: The World’s Most Popular Open Source Database 155 MySQL 4.0 http://www.mysql.com/mysql40 • Features – ACID transactions with versioning and high transaction isolation (RepeatableRead) using InnoDB • DB2, MSSQL and PostgreSQL use only ReadCommited – embedded server library (libmysqld) – query cache: prestored answer sets – dynamic server variables – boolean FULLTEXT – UNION – multi-table deletes, updates – improved replication Copyright 2003 MySQL AB