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Logical AND

A logical AND expression returns either true (1) if both operands are true (1), or false if at least one of its operands is false (0). If both operands are null, the expression returns null.

 

Expression	Character representation
Logical AND	& and

These are examples of using the logical AND expression:

 

Expression	Returns
1 and 0	0 (false)
0 & 0	1 (true)
0 and 1 & 0 and 0	0 (false)

Logical AND