JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Negation NOT can be used in an expression to reverse the boolean value of a logical expression. For example: NOT lastname=’Brown’ You can also precede an operator with NOT to negate the operator. For example: num NOT BETWEEN 1 and 100 num NOT IN (1, 100) Related concepts LIKE Operator Operators Compound Expressions Order of Operations CASE Expressions Copyright © Cloud Software Group, Inc. All rights reserved.