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  1. 02-23-2011, 05:01 AM #1
    snoopy2003
    snoopy2003 is offline Advanced Beginner
    Windows 7 64bit Access 2010 32bit
    Join Date
    Feb 2011
    Posts
    72

    Triple primary key

    Hello,

    I have a Jobs table.

    Each job has:
    joblevel
    jobgrade
    jobcode

    For each joblevel there are many jobgrade


    For each jobgrade there are many jobcode

    What is better:
    Define triple primary key for the table or
    add systemID and set it as autonumber ?

    Thank you for your help
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  2. 02-23-2011, 09:18 AM #2
    orange's Avatar
    orange
    orange is offline Moderator
    Windows XP Access 2003
    Join Date
    Sep 2009
    Location
    Ottawa, Ontario, Canada; West Palm Beach FL
    Posts
    16,726
    Try 3 separate but related tables.

    You may find this link useful
    http://www.databaseanswers.org/data_models/index.htm
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