AND
This page is part of MariaDB's Documentation.
The parent of this page is: SQL Operators for MariaDB Xpand
Overview
Logical "and".
USAGE
value1 AND value2
Value Name | Description |
|---|---|
| A truth value expression |
DETAILS
The AND operator compares two truth values, returning 1 (true) if both values are non-zero, otherwise 0.
A NULL is returned if either truth value is NULL.
SYNONYMS
The following are synonyms for AND:
&&
EXAMPLES
SELECT TRUE AND TRUE, FALSE AND FALSE;
+---------------+-----------------+
| TRUE AND TRUE | FALSE AND FALSE |
+---------------+-----------------+
| 1 | 0 |
+---------------+-----------------+
SELECT TRUE AND FALSE, FALSE AND TRUE;
+----------------+----------------+
| TRUE AND FALSE | FALSE AND TRUE |
+----------------+----------------+
| 0 | 0 |
+----------------+----------------+
CREATE TABLE and_example (
v1 INT,
v2 INT
);
INSERT INTO and_example VALUES
(0, 9), (1, 8), (2, 7), (3, 6), (4, 5),
(5, 4), (6, 3), (7, 2), (8, 1), (9, 0);
SELECT *
FROM and_example
WHERE v1 > 3 AND v2 > 3;
+------+------+
| v1 | v2 |
+------+------+
| 4 | 5 |
| 5 | 4 |
+------+------+