$dsn public property The Data Source Name, or DSN, contains the

createPdoInstance() protected method Creates the PDO instance

EVENT_BEGIN_TRANSACTION event of type \yii\db\Event An event that

$enableQueryCache public property Whether to enable query caching

$password public property The password for establishing DB connection

quoteValue() public method Quotes a string value for use

$masterConfig public property The configuration that should be

beginTransaction() public method Starts a transaction

$schemaCache public property The cache object or the ID of the

$serverStatusCache public property The cache object or the ID