You will need to also make sure that not less than one of many expressions from the THEN or ELSE clauses is not the NULL regular. Though NULL is usually returned from numerous end result expressions, not these can explicitly be the NULL regular. If all end result expressions make https://hbr-case-solution83911.blogtov.com/16411345/the-single-best-strategy-to-use-for-darden-case-study-solution