Jørn Dahl-Stamnes wrote:
On Friday 11 December 2009 10:38, Victor Subervi wrote:
Hi;

mysql> update products set sizes="('Small', 'Large')" where ID=0;
Query OK, 0 rows affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 0  Warnings: 1
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Look at the message, 0 rows changed and 1 warning.
You cannot have ID=0 if ID is an index.

You can, but not if it's an auto-increment field.

Mark



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