public Connection::createDatabase($database)

protected Tasks::connect() Check

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

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

public Tasks::minimumVersion() Return

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

public Schema::fieldSetDefault($table, $field, $default)

MySQL implementation of \Drupal\Core\Database\Query\Select

protected Schema::getPrefixInfo($table = 'default', $add_prefix = TRUE)

MySQL implementation of \D