Table Design - Duplicate Values

[Barb Miles]

How do I validate duplciate values in a text field in a table.

I have a field [Dealer] that cannot have duplicate records entered by the
same dealer name.

Do I use the Validate Rule property, or what else would I use and how do I
set it up?

 

[Rick Brandt]

How do I validate duplciate values in a text field in a table.

I have a field [Dealer] that cannot have duplicate records entered by the
same dealer name.

Do I use the Validate Rule property, or what else would I use and how do I
set it up?

Already answered in the other thread you started.