Or Operator

Description

Used to perform a logical disjunction on two expressions.

Syntax

result = expression1 Or expression2

The Or operator syntax has these parts:

Part	Description

result	Any numeric variable.
expression1	Any expression.
expression2	Any expression.

Remarks

If either or both expressions evaluate True, result is True. The following table illustrates how result is determined:

*If expression1* is**	*And expression2* is**	*The result* is**

True	True	True
True	False	True
True	Null	True
False	True	True
False	False	False
False	Null	Null
Null	True	True
Null	False	Null
Null	Null	Null

The Or operator also performs a bit-wise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in result according to the following truth table:

*If bit in expression1* is**	*And bit in expression2* is**	*The result* is**

0	0	0
0	1	1
1	0	1
1	1	1

See Also

Operator Precedence.

Example

This example uses the Or operator to perform logical disjunction on two expressions.

A = 10: B = 8: C = 6 : D = Null    ' Initialize variables.
MyCheck = A > B Or B > C    ' Returns True.
MyCheck = B > A Or B > C    ' Returns True.
MyCheck = A > B Or B > D    ' Returns True.
MyCheck = B > D Or B > A    ' Returns Null.
MyCheck = A Or B    ' Returns 10 (bit-wise comparison).