9 lines
272 B
MySQL
9 lines
272 B
MySQL
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ALTER TABLE vn.property ADD IF NOT EXISTS supplierFk int(10) unsigned NULL;
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ALTER TABLE vn.property
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ADD CONSTRAINT propertySupplierFk
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FOREIGN KEY IF NOT EXISTS (supplierFk)
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REFERENCES vn.supplier(id)
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ON DELETE RESTRICT
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ON UPDATE CASCADE;
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