cascade delete on update
CREATE TABLE child (
id INT,
parent_id INT,
INDEX par_ind (parent_id),
FOREIGN KEY (parent_id)
REFERENCES parent(id)
ON UPDATE CASCADE ON DELETE CASCADE
) ENGINE=INNODB;on update cascade
CREATE TABLE child (
id INT,
parent_id INT,
INDEX par_ind (parent_id),
FOREIGN KEY (parent_id)
REFERENCES parent(id)
ON UPDATE CASCADE
) ENGINE=INNODB;Copyright © 2021 Codeinu
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