expr TIDAK SEPERTI pat [ESCAPE 'escape_char']
CREATE TABLE foo (bar VARCHAR(10));
INSERT INTO foo VALUES (NULL), (NULL);
This is the same as NOT (expr LIKE pat [ESCAPE 'escape_char']).
CREATE TABLE foo (bar VARCHAR(10));
INSERT INTO foo VALUES (NULL), (NULL);
Aggregate queries involving NOT LIKE comparisons with columns containing NULL may yield unexpected results. For example, consider the following table and data:
SELECT COUNT(*) FROM foo WHERE bar NOT LIKE '%baz%' OR bar IS NULL;