Auto Increment skipping numbers?

Question

Note: I\'m new to databases and PHP

I have an order column that is set to auto increment and unique.

In my P

Answer 1

I know the question has been answered already.. But if you have deleted rows in the table before, mysql will remember the used ID/Number because typically your Auto increment is Unique.. So therefore will not create duplicate increments.. To reindex and increment from the current max ID/integer you could perform:

ALTER TABLE TableName AUTO_INCREMENT=(SELECT max(order) + 1 FROM tablename)