> > [...] why in procedure TRUNCATE table
> > demo do not reset auto_increment?
>
> is clearly written in the documentation, just read ...
>
> in short:
>
> auto_increment is used for primary key, primary keys could be referenced
> from another table, setting auto_increment back to 0 could lead to using a
> primary key formerly used by another datarow and still referenced by
another
> table - could lead to data inconsistency.

lol, but TRUNCATE empties the table... What good are your references? :-)

Martijn Tonies
Database Workbench - development tool for MySQL, and more!
Upscene Productions
http://www.upscene.com
My thoughts:
http://blog.upscene.com/martijn/
Database development questions? Check the forum!
http://www.databasedevelopmentforum.com


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