: [http://www.mysql.com/downloads/connector/j/ Mysql Connector]

#PostgreSQL is a unified database server with a single storage engine. MySQL has two layers, an upper SQL layer and a set of storage engines. [http://www.wikivs.com/wiki/MySQL_vs_PostgreSQL]

#MySQL began development with a focus on speed while PostgreSQL began development with a focus on features and standards. Thus, MySQL was often regarded as the faster of the two.