total_changes Returns the total number of database rows that have been modified, inserted, or deleted since the database connection

object.__getnewargs_ex__() In protocols 4 and newer, classes that implements the __getnewargs_ex__() method can

executescript(sql_script) This is a nonstandard convenience method for executing multiple SQL statements at once. It issues

interrupt() You can call this method from a different thread to abort any queries that might be executing on the connection

create_function(name, num_params, func) Creates a user-defined function that you can later use from within SQL statements under

copyreg.pickle(type, function, constructor=None) Declares that function should be used as a “reduction” function for

gdbm.sync() When the database has been opened in fast mode, this method forces any unwritten data to be written to the disk

marshal.loads(string) Convert the string to a value. If no valid value is found, raise

marshal.dump(value, file[, version]) Write the value on the open file. The value must be a supported type. The file must be

exception pickle.UnpicklingError Error raised when there is a problem unpickling an object, such as a data corruption or a security