TRUE FALSE

Spiegazione

Le costanti TRUE e FALSE equivalgono a 1 e 0, rispettivamente. I nomi delle costanti possono essere scritti sia in maiuscolo sia in minuscolo.

Esempi

MariaDB [(none)]> SELECT TRUE, true, FALSE, false;
+------+------+-------+-------+
| TRUE | TRUE | FALSE | FALSE |
+------+------+-------+-------+
|    1 |    1 |     0 |     0 |
+------+------+-------+-------+

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