Causes the SQLite database engine to attempt to free as much heap memory as possible from this database connection.

Arguments: This method has no arguments.
Return value: Returns an ooSQLite Result Code Constants code. Although the SQLite documentation does not explicitly state this, it seems likely that OK is always returned.
Remarks: See also the releaseMemory method of the The ooSQLite Class class.
Details: The functionality of theDbReleaseMemoyrmethod is similar to that of the SQLite sqlite3_db_release_memory API.