final public static Database::renameConnection($old_key, $new_key)

The key of the currently active database connection. Type: string File

Flag to indicate a query call should simply return NULL. This is used for queries that have no reasonable return value anyway, such as INSERT

final protected static Database::openConnection($key, $target)

Flag to indicate a query call should return the prepared statement. File core/lib/Drupal/Core/Database/Database

final public static Database::getConnectionInfo($key = 'default')

final public static Database::parseConnectionInfo(array $info)

public static Database::getConnectionInfoAsUrl($key = 'default')

final public static Database::getLog($logging_key, $key = 'default')

Primary front-controller for the database system. This class is uninstantiatable and un-extendable. It acts to encapsulate all control and shepherding