I have database table but without the index, and I want to add index id to that table, that will be uniqe for each row, how can I do this using mysql?
I have database table but without the index, and I want to add index
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I have database table but without the index, and I want to add index id to that table, that will be uniqe for each row, how can I do this using mysql?
Assuming you don’t have a key on the table already you can do this:
And remember you can add
FIRSTto the end of that line to make it the first column which would be a good idea for an id.