The query I posted does not treat image datatype. So if you have images stored in your database that is the message you will get.

You can modify the query to...

Remove the dot after the AS DT.

DT is to name the derived table used in the query.

You can then make reference to it by using this alias.

The sys owner is a flag in sysobjects. See if xtype of your sysobjects is set to S or U. Check if the allow update flag is set to 1 using...