display unsigned zerofill autoincrement value without leading zero

Posted by I Like PHP on Stack Overflow See other posts from Stack Overflow or by I Like PHP
Published on 2010-03-15T12:55:16Z Indexed on 2010/03/15 13:19 UTC
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my primay key is user_id which is auto incremant UNSIGNED ZERO FILL, i want to display user_id on a page without leading Zero( means 1 instead of 0000000001 ).. how can we do that in php or in mysql one more question...

if i delete last record( let user_id=21) wwhich have highest id of that table then can we adjust auto increment value to 21 instead of 22 of that table.

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