best field to index in a customer database

M

Ms Cheer

creating casino patron database. to prevent data entry from entering the same
patron info over & over, which is the best field to index.... their address?
ideas.
 
D

DL

So what would happen if two people have the same address?
Do you propose to use only one field for the address?, hopefully not
Try First Name + Last Name ( maybe +Zipcode)
 

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