Definitions for "AutoNumber"
a numeric value that Access maintains and automatically increments each time you add a new record to a table
A unique number automatically created for each record as you add that record to the database; Access can create sequential, random, or Replication ID numbers.
A type of data domain where the DBMS automatically assigns a unique identification number for each new row of data.Useful for generating primary keys.
Keywords:  datatype, integer, long
a Long Integer datatype
Keywords:  surrogate, perfectly, never, key, good
a perfectly good surrogate key, and one that the user should never see (as with every surrogate key)