Please select the DB you want to use.

cubrid	Use CUBRID DB. manual
firebird	Use firebird DB.
mssql	Use MSSQL DB
mysql	Using mysql*() function to use mysql DB. Transaction is disabled because DB file is created by myisam.
mysql_innodb	Using innodb to use mysql DB. Transaction is enabled for innodb
mysqli
postgresql	Use PostgreSql DB.
sqlite2	Supporting sqlite2 which saves the data into the file. When installing, DB file should be created at unreachable place from web. (Never got tested on stabilization)
sqlite3_pdo	Suppots sqlite3 by PHP's PDO. When installing, DB file should be created at unreachable place from web.