What does the MySQL ASCII() function return if no arguments are provided?

In this case, it means that we provide an empty string as an argument to the ASCII() function. If an empty string is provided, it returns 0.

Example

mysql> Select ASCII('');

+-----------+
| ASCII('') |
+-----------+
|     0     |
+-----------+

1 row in set (0.00 sec)

The above is the detailed content of What does the MySQL ASCII() function return if no arguments are provided?. For more information, please follow other related articles on the PHP Chinese website!