persistent_load(pid) Raise an UnpicklingError by default. If defined, pe

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

fetchone() Fetches the next row of a query result set, returning a single sequence, or

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

gdbm.firstkey() It’s possible to loop over every key in the database using this method and the nextkey() method

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

dbm.ndbm.library Name of the ndbm implementation library used.

object.__getnewargs__() This method serve a similar purpose as __getnewargs_ex__() but for protocols 2 and newer

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

cursor([cursorClass]) The cursor method accepts a single optional parameter cursorClass. If supplied, this must be