How to use OUTPUT option in an UPDATE statement

DECLARE @update_table TABLE (emp_no INT, project_no CHAR(20),old_job CHAR(20),new_job CHAR(20));

UPDATE works_on

SET job = NULL

OUTPUT DELETED.emp_no, DELETED.project_no,

DELETED.job, INSERTED.job INTO @update_table

WHERE job = 'Clerk';

SELECT * FROM @update_table