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-- Place your SQL code here
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ALTER TABLE vn.itemShelving ADD buyFk int(11) NULL;
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ALTER TABLE vn.itemShelving ADD CONSTRAINT itemShelvingBuy_FK FOREIGN KEY (buyFk) REFERENCES vn.buy(id);
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ALTER TABLE vn.itemShelving ADD CONSTRAINT itemShelving_UN UNIQUE KEY (buyFk,shelvingFk); |