I have an existing table with data. I have just added a new column but I cannot find how to add a unique constraint on that column. Could someone please advise? Right-clicking and selecting “check constraints” wasn’t helpful.
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I have an existing table with data. I have just added a new column but I cannot find how to add a unique constraint on that column. Could someone please advise? Right-clicking and selecting “check constraints” wasn’t helpful.
You need to right-click in the table designer and pick
Indexes/Keys:Then a dialog pops up and you can add a new index to the list of indices (on the left hand side) and define it to be a
uniqueindex: