NOT « Query Select « Oracle PL/SQL Tutorial






2.25.NOT
2.25.1.NOT to negate a boolean value
2.25.2.Or, and, not
2.25.3.NOT operator has higher priority than AND
2.25.4.Not empty(null)
2.25.5.Not equals
2.25.6.Not equals: not vs <>
2.25.7.not in (1,2,3,NULL)
2.25.8.not in vs not exists
2.25.9.Not has the lowerest priority








2.25.10.Not(condition1 and condition2)
2.25.11.Using Not in and subquery