Hey Richard, if I'm creating a database where the patient acct number is the unique identifier. Would you then recommend an Autonumber AND the unique patient acct number and what would be the advantage of having both?
Reply from Alex Hedley:
An AutoNumber is handy for setting up relationships and is more efficient for relationship joins as its a number and not text. You could keep both. Have your unique number for searching on and the AutoNumber for the relationships.
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