||This is used to connect to a MSSQL database.
||This is used in order to connect to a MySQL database.
||Base for PDO database adapters.
||PDO extension that implements ConnectionInterface and builds statements implementing StatementInterface.
||PDO statement that provides the basic enhancements that are required by Propel.
||This is used to connect to PostgreSQL databases.
||This is used in order to connect to a SQLite database.
||This is used to connect to a MSSQL database using pdo_sqlsrv driver.