Returns the database file name of the database specified by name.

Arguments: The arguments are:
name [required] The database Database Name , as known internally by the SQLite database engine, of the database to get the file name for.
Return value: The file name of the database specified bynameon success. If there is nonamedatabase on the database connection, or ifnameis a temporary or in-memory database, then the empty string is returned.
Remarks: The filename returned will be an absolute pathname, even if the filename used to open the database originally was a URI or relative pathname.
Details: The functionality of thedbFileNamemethod is similar to that of the SQLite sqlite3_db_filename API.