Specific starting point order number format

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I would like to set up my order number format to start with a specific number to match my accounting system. I searched around a bit and saw how to change to the code to {id size="5"}, which is the size of the format I want. But can I start it with 20130 and continue from there?

ok sorry I am in phpmyadmin, I see this when I edit

SELECT * FROM `jos_hikashop_order`

do I add

ALTER TABLE jos_hikashop_order AUTO_INCREMENT = 10000;

or just change the SELECT * FROM `jos_hikashop_order` to SELECT * FROM `jos_hikashop_order AUTO_INCREMENT = 10000`

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ALTER TABLE jos_hikashop_order AUTO_INCREMENT = 10000 LIMIT 0, 30' at line 2

I got this error, and I also want to double check that "10000" should be "20130" for my instance, right?