How to make a column a primary key so duplicate records cannot be added
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02-10-2020 - |
题
I have a text column called JPPNum, and I want to make it so a user cannot add the same JPP Number if the record with that JPP number is already in there. So no duplicate on JPP NUm, how would I do that?
解决方案
You can select Enforce unique values in columns settings.
More info in MSDN: Enforcing Uniqueness in Column Values.