alter table add foreign key mysql
ALTER TABLE orders
ADD
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;alter table add foreign key mysql
ALTER TABLE orders
ADD
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;mysql modify foreign key
-- 2 Step process
ALTER TABLE tbl_name_1 DROP FOREIGN KEY fk_name;
ALTER TABLE tbl_name_1 ADD FOREIGN KEY fk_name(fk_col)
REFERENCES tbl_name_2(pk_name) ON DELETE RESTRICT;
-- Use to find the name of the FOREIGN KEY
SHOW CREATE TABLE tbl_name;Copyright © 2021 Codeinu
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