Question

I use phpmyadmin to manually change the id (auto_increment) of some row data, therefore when I run my program to create a new row data, it returns me an error of “duplicated entry id and thus could not create the row”.
This problem seems classical but I don’t know the right keywords or phrases to look it up on google. Thank you.

Answer 1

Try

ALTER TABLE tablename AUTO_INCREMENT=X

Where X is some number higher than the highest ID.

I haven’t tested this, but it may work:

ALTER TABLE tablename AUTO_INCREMENT=(SELECT MAX(id)+1 FROM tablename)

(It may fail due to selecting from the same table that is being altered)