WHERE
-----


f1 = / != / <> 50;

f1 BETWEEN 20 AND 50;

f1 IN ('hans', 'fritz', 'anna');

f4 LIKE'Ha%'; (case sensitive!)

	% und weitere, auch keine Chars
	_ substitute 1 char

f4 IS NULL;

f4 IS NOT NULL;

WHERE (cond1 AND cond2) OR (cond3 NOT cond4);