bespokeappstt
Hubstaff freelancer
I have two columns, serial number and model number. What can I do to ensure that every row of information is unique for the list? I want to ensure there are no duplicate serial and matching model numbers. Two serial numbers might be the same but they would have different model numbers and vice versa. I guess in traditional database concept this would be a composite primary key. But I'm not using it as a foreign key, just want to ensure users don't enter dups for equipment data.