OR
This page is part of MariaDB's Documentation.
The parent of this page is: SQL Operators for MariaDB Xpand
Overview
Logical "or".
USAGE
value OR value
Value Name | Description |
|---|---|
| A truth value expression |
DETAILS
The OR operator compares two truth values, returning 1 (true) if either of the value are non-zero, otherwise 0.
A NULL is returned if either truth value expression is NULL.
SYNONYMS
The following are synonyms for OR:
||
EXAMPLES
SELECT TRUE OR TRUE, FALSE OR FALSE;
+--------------+----------------+
| TRUE OR TRUE | FALSE OR FALSE |
+--------------+----------------+
| 1 | 0 |
+--------------+----------------+
SELECT TRUE OR FALSE, FALSE OR TRUE;
+---------------+---------------+
| TRUE OR FALSE | FALSE OR TRUE |
+---------------+---------------+
| 1 | 1 |
+---------------+---------------+
CREATE TABLE or_example (
v1 INT,
v2 INT
);
INSERT INTO or_example VALUES
(0, 9), (1, 8), (2, 7), (3, 6), (4, 5),
(5, 4), (6, 3), (7, 2), (8, 1), (9, 0);
SELECT *
FROM or_example
WHERE v1 > 7 OR v2 > 7;
+------+------+
| v1 | v2 |
+------+------+
| 0 | 9 |
| 1 | 8 |
| 8 | 1 |
| 9 | 0 |
+------+------+