mysql insert on dupèlicate
INSERT INTO table_name(c1)
VALUES(c1)
ON DUPLICATE KEY UPDATE c1 = VALUES(c1) + 1;mysql insert on dupèlicate
INSERT INTO table_name(c1)
VALUES(c1)
ON DUPLICATE KEY UPDATE c1 = VALUES(c1) + 1;fk in insert mysql
INSERT INTO joke(joke_text, joke_date, author_id)
VALUES (‘Humpty Dumpty had a great fall.’, ‘1899–03–13’,
(SELECT id FROM author WHERE author_name = ‘Famous Anthony’));Copyright © 2021 Codeinu
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