mariadb add foreign key
alter table group_a
add constraint fk_b_in_a
foreign key(`b_id`)
references group_b(`b_id`)
on delete set null
on update set null;mariadb add foreign key
alter table group_a
add constraint fk_b_in_a
foreign key(`b_id`)
references group_b(`b_id`)
on delete set null
on update set null;Copyright © 2021 Codeinu
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