public Connection::createDatabase($database)

public Connection::query($query, array $args = array(), $options

public Connection::__construct(\PDO $connection, array $connection_options

public Connection::queryRange($query, $from, $count, array $args

public Connection::driver() Returns

protected Connection::popCommittableTransactions()

public static Connection::open(array &$connection_options

Error code for "Can't initialize character set" error. File core/lib/Drupal/Core/Database/Driver/mysql/Connection

MySQL implementation of \Drupal\Core\Database\Connection

Error code for "Unknown database" error. File core/lib/Drupal/Core/Database/Driver/mysql/Connection.php