Using Logical AND Operator with NULL value : AND : Logic Operator MySQL TUTORIALS

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Using Logical AND Operator with NULL value


mysql>
mysql> SELECT 1 && NULL;
+-----------+
| 1 && NULL |
+-----------+
|      NULL |
+-----------+
1 row in set (0.00 sec)

mysql> SELECT 0 && NULL;
+-----------+
| 0 && NULL |
+-----------+
|         0 |
+-----------+
1 row in set (0.00 sec)

mysql> SELECT NULL && 0;
+-----------+
| NULL && 0 |
+-----------+
|         0 |
+-----------+
1 row in set (0.00 sec)

mysql>



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