_Feature((2, 6, 0, 'alpha', 2), (3, 0, 0, 'alpha', 0), 65536)
Returns the differences between a class and the table in a connection. Returns  if no differences are found. This function does the best it can; it can miss many differences.
This table is used to store information about the database and its version (used with record and update commands).
This class contains 19 members.
See the source for more information.