You will need to also be certain that no less than one of many expressions within the THEN or ELSE clauses is not the NULL constant. Whilst NULL is often returned from numerous result expressions, not all these can explicitly be the NULL constant. If all consequence expressions utilize the https://jeffreyewgxn.blogpixi.com/36123357/the-2-minute-rule-for-hire-someome-to-take-case-study