LIKE Predicate

Description

A LIKE predicate is used to search for a specific pattern. This predicate also supports multiple patterns with quantifiers include ANY, SOME and ALL.

Syntax

[ NOT ] { LIKE search_pattern [ ESCAPE esc_char ] | [ RLIKE | REGEXP ] regex_pattern }

[ NOT ] { LIKE quantifiers ( search_pattern [ , ... ]) }

Parameters

Examples

CREATE TABLE person (id INT, name STRING, age INT);
INSERT INTO person VALUES
    (100, 'John', 30),
    (200, 'Mary', NULL),
    (300, 'Mike', 80),
    (400, 'Dan',  50),
    (500, 'Evan_w', 16);

SELECT * FROM person WHERE name LIKE 'M%';
+---+----+----+
| id|name| age|
+---+----+----+
|300|Mike|  80|
|200|Mary|null|
+---+----+----+

SELECT * FROM person WHERE name LIKE 'M_ry';
+---+----+----+
| id|name| age|
+---+----+----+
|200|Mary|null|
+---+----+----+

SELECT * FROM person WHERE name NOT LIKE 'M_ry';
+---+------+---+
| id|  name|age|
+---+------+---+
|500|Evan_W| 16|
|300|  Mike| 80|
|100|  John| 30|
|400|   Dan| 50|
+---+------+---+

SELECT * FROM person WHERE name RLIKE 'M+';
+---+----+----+
| id|name| age|
+---+----+----+
|300|Mike|  80|
|200|Mary|null|
+---+----+----+

SELECT * FROM person WHERE name REGEXP 'M+';
+---+----+----+
| id|name| age|
+---+----+----+
|300|Mike|  80|
|200|Mary|null|
+---+----+----+

SELECT * FROM person WHERE name LIKE '%\_%';
+---+------+---+
| id|  name|age|
+---+------+---+
|500|Evan_W| 16|
+---+------+---+

SELECT * FROM person WHERE name LIKE '%$_%' ESCAPE '$';
+---+------+---+
| id|  name|age|
+---+------+---+
|500|Evan_W| 16|
+---+------+---+

SELECT * FROM person WHERE name LIKE ALL ('%an%', '%an');
+---+----+----+
| id|name| age|
+---+----+----+
|400| Dan|  50|
+---+----+----+

SELECT * FROM person WHERE name LIKE ANY ('%an%', '%an');
+---+------+---+
| id|  name|age|
+---+------+---+
|400|   Dan| 50|
|500|Evan_W| 16|
+---+------+---+

SELECT * FROM person WHERE name LIKE SOME ('%an%', '%an');
+---+------+---+
| id|  name|age|
+---+------+---+
|400|   Dan| 50|
|500|Evan_W| 16|
+---+------+---+

SELECT * FROM person WHERE name NOT LIKE ALL ('%an%', '%an');
+---+----+----+
| id|name| age|
+---+----+----+
|100|John|  30|
|200|Mary|null|
|300|Mike|  80|
+---+----+----+

SELECT * FROM person WHERE name NOT LIKE ANY ('%an%', '%an');
+---+------+----+
| id|  name| age|
+---+------+----+
|100|  John|  30|
|200|  Mary|null|
|300|  Mike|  80|
|500|Evan_W|  16|
+---+------+----+

SELECT * FROM person WHERE name NOT LIKE SOME ('%an%', '%an');
+---+------+----+
| id|  name| age|
+---+------+----+
|100|  John|  30|
|200|  Mary|null|
|300|  Mike|  80|
|500|Evan_W|  16|
+---+------+----+