mysql drop table cascade

alter table add on delete cascade mysql -

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;

mysql drop table cascade -

SET FOREIGN_KEY_CHECKS = 0;
drop table if exists &lt;your_1st_table&gt;;
drop table if exists &lt;your_2nd_table&gt;;
SET FOREIGN_KEY_CHECKS = 1;

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mysql drop table cascade

alter table add on delete cascade mysql -

mysql drop table cascade -

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