Bitwise XOR(^): The result is an unsigned 64-bit integer : Bit « Data Types « MySQL Tutorial

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

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

mysql> SELECT 11 ^ 3;
+--------+
| 11 ^ 3 |
+--------+
|      8 |
+--------+
1 row in set (0.02 sec)

mysql>