Arul,
Tuesday, June 04, 2002, 9:23:34 AM, you wrote:
A> I have created a table parent and also another table child where parentid
A> column in child is a foreign key to the id column in parent table
A> Is it possible that i have no entries in parent table , and i am inserting
A> null values for parentid in child table..
Since 3.23.50 you can set parentid to the NULL value. You can also use
ON DELETE SET NULL clause, that will be automatically update parentid
to the NULL value:
http://www.mysql.com/doc/S/E/SEC446.html
You can download 3.23.50 from the MySQL site:
http://www.mysql.com/downloads/mysql-3.23-pre.html
A> Regards,
A> -Arul
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