Is there a way to make an entire MySQL row unique

Question

I have a table in MySQL with 30 columns and thousands of entries.
Is there a way I could make every row unique, that means if a row already exists, I should not be able to e

Answer 1

You can make a unique index on more than one column. Just put all the columns in the index. If the columns are large you may run into issues with the maximum length of an index, but try it first and see.