Modifies a column's values in existing rows of a table or view. Restriction: You cannot use UPDATE on a table accessed via an engine that does not support UPDATE processing. You can update one or more ...

I'm trying to update a column in a temp table, based on a subquery. Brain is blank as to why I can't get the following update to work. --Create temp table with source data for final processing ...

I'd like to know that a NULL is going to be inserted into a non-nullable field on one row via RAISEERROR, skip that row's update, and then allow the SQL statement to continue.