The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-11-15. For the latest, interactive version please visit https://mariadb.com/kb/.

XOR

Sintassi

XOR

Spiegazione

XOR logico. Restituisce NULL se uno o più operandi sono NULL. Negli altri casi, restituisce 1 se un numero dispari di operandi è diverso da zero, altrimenti restituisce zero.

Esempi

MariaDB [(none)]> SELECT 1 XOR 1;
+---------+
| 1 XOR 1 |
+---------+
|       0 |
+---------+
1 row in set (0.00 sec)

MariaDB [(none)]> SELECT 1 XOR 0;
+---------+
| 1 XOR 0 |
+---------+
|       1 |
+---------+
1 row in set (0.00 sec)

MariaDB [(none)]> SELECT 1 XOR NULL;
+------------+
| 1 XOR NULL |
+------------+
|       NULL |
+------------+
1 row in set (0.00 sec)

MariaDB [(none)]> SELECT 1 XOR 1 XOR 1;
+---------------+
| 1 XOR 1 XOR 1 |
+---------------+
|             1 |
+---------------+
1 row in set (0.00 sec)

MariaDB [(none)]>
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.