Automatically add after deleting from table

Question

Possible duplicate:
MySQL: reorder / reset primary key with automatic addition?

if I delete ligne from my table, and in this table I have an auto increase identifier, DELETE From the table, where id = 2

after that the table will look as follows

 ID   | NAme
1        aaa
3        cccc

how can i fix the identifier so that it looks like

ID   | NAme
1        aaa
2        cccc
3        dddd  

Answer 1

Have a look at this answer: Reorder / reset primary auto-increment primary key

Answer 2

. 2 1 2 2, 3.

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