Not Operator
Performs logical negation on an expression.
result = Not expression
Arguments
result
Any numeric variable.
expression
Any expression.
Remarks
The following table illustrates how result is determined:
| If expression is | Then result is | | True | False | | False | True | | Null | Null |
In addition, the Not operator inverts the bit values of any variable and
sets the corresponding bit in result according to the following table:
| Bit in expression | Bit in result | | 0 | 1 | | 1 | 0 | |