Mark C. Stock wrote:
>just update a column to itself, ie,
>merge into emp001
>using emp002 on (emp001.empno = emp002.empno)
>when matched then update set ename = emp001.ename
>when not matched then insert (empno) values(emp002.empno)
>
>however, depending on % of rows that are unnecessary updates, you might be
>better off doing an INSERT SELECT with an outer join in the subquery -- run
>some comparisons to determine what works best in your situation
Thanks Mark!
This instance is not on 10g yet as the other posting suggested. I followed
your advice above, and it's working like a charm. Thanks for the help.
Norma Jean
--
Message posted via http://www.dbmonster.com
Received on Thu Jul 07 2005 - 16:53:19 CDT
