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;update foreign key value in mysql
SET foreign_key_checks = 0;
UPDATE languages SET id='xyz' WHERE id='abc';
UPDATE categories_languages SET language_id='xyz' WHERE language_id='abc';
SET foreign_key_checks = 1;Copyright © 2021 Codeinu
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