Oracle Design
by Dave Ensor and Ian Stevenson


Here are the changes from the 9/97 reprint:


{79}: Figure 3-16 is new

{120}: 2nd para. in box: changed "'ab,'" to "'ab '"

{127}: last code example on the page now reads:

	SELECT *
	FROM   t
	WHERE  NVL(:p, '$NULL') = NVL(t.a,'$NULL');