... 143loops, 121 CURSOR FOR, 254debugging, 136FOR, 121- 122, 146common errors, 124EXIT statement, 140listing, 121 nesting, 121 guidelines, 147incrementing through,123-124listing, 123infinite, ... creating, 54creating (security exam-ple), 538-539data integrity (maintain-ing), 300-304listing, 302defining, 299-300, 313,319delete, 296enabling/disabling,310-311event, 311-312defining, ... 190dropping, 197invoking, 194, 199listing information, 195recompiling, 193-194storing objectsas columns, 345-347retrieving/updating,347-349object tables, 349,351-356creating, 350inserting...