mysql remove foreign key constraint
ALTER TABLE jobs DROP FOREIGN KEY constraint_name
mysql remove foreign key constraint
ALTER TABLE jobs DROP FOREIGN KEY constraint_name
add on delete cascade to existing foreign key
ALTER TABLE TABLEName
drop CONSTRAINT FK_CONSTRAINTNAME;
ALTER TABLE TABLENAME
ADD CONSTRAINT FK_CONSTRAINTNAME
FOREIGN KEY (FId)
REFERENCES OTHERTABLE
(Id)
ON DELETE CASCADE ON UPDATE NO ACTION;
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