Comments on: Reset autoincrement value in mysql tabl

By: Don't Back Down

Don't Back Down — Thu, 06 Jan 2005 11:37:22 +0000

Updating Auto-Increment in MySQL
I was playing with the database yesterday, and decided that some of my auto-incremented values (id numbers for particular tables, specifically Movable Type’s PluginData) were simply getting too high. I was curious about resetting them. Even if I delet…

By: Scott Porter

Scott Porter — Thu, 01 Jul 2004 22:53:39 +0000

Yeah, it is possible to edit multiple id’s if you use phpMyAdmin (have just done so) Select the checkboxes of the rows to be changed, and click on the edit icon at the bottom, just after the last row

By: Johanka

Johanka — Fri, 25 Jun 2004 20:58:21 +0000

Thanks! I wish I had known this earlier.
I wonder, is it possible to edit the ID of several entries in the table en mass? Without having to edit manually one at a time?

By: Daynah

Daynah — Fri, 25 Jun 2004 17:23:50 +0000

Thanks for the tip Jenn and Scott!

By: Scott

Scott — Fri, 25 Jun 2004 07:18:13 +0000

Of course TRUNCATE will also delete all your rows if you haven’t already. Not good if you don’t really want an empty table.

If you just want to change the auto_increment without deleting everything, you can

ALTER TABLE tbl_name AUTO_INCREMENT = xxx

(where xxx is an integer). Or use the operations page in phpmyadmin (which is what I usually do so I don’t have to remember any SQL syntax