$pdoClass public property Custom PDO wrapper class. If not set

close() public method Closes the currently active DB connection

getMasterPdo() public method Returns the PDO instance

transaction() public method Executes callback provided

$tablePrefix public property The common prefix or suffix for table

initConnection() protected method Initializes the DB connection

$schema public read-only property The schema information

EVENT_ROLLBACK_TRANSACTION event of type \yii\db\Event An event

$transaction public read-only property The currently

$username public property The username for establishing DB connection