# What is the benefit of MySQL ‘IS NULL’ and ‘IS NOT NULL’?

MySQLMySQLi Database

As we know that while using NULL with a comparison operator, we would not get any meaningful result set. To get the meaningful result from such kind of comparisons, we can use ‘IS NULL’ and ‘IS NOT NULL’.

## Example

mysql> Select 10 IS NULL;
+------------+
| 10 IS NULL |
+------------+
| 0          |
+------------+
1 row in set (0.00 sec)

mysql> Select 10 IS NOT NULL;
+----------------+
| 10 IS NOT NULL |
+----------------+
| 1              |
+----------------+
1 row in set (0.00 sec)

The MySQL statements above show the use of ‘IS NULL’ and ‘IS NOT NULL’. We got the result in Boolean values either 0 (for FALSE) or 1(for TRUE) which is certainly a meaningful result.

Published on 22-Feb-2018 11:01:05