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Preventing Duplicates

Question asked by scarruth33 on Oct 25, 2015
Latest reply on Oct 28, 2015 by LaRettaK

I have my database built, and now I am to begin entering sports cards into the database. I my question is how do I go about making sure that I don't enter a card twice. I know in Microsoft Access I just assign a key to a certain field and it will let me know if there is a duplicate entry. I would like the same kinda notification for this. Thank you for any assistance.

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