Assume the Item table has been created, but there are no integrity constraints. Create the necessary integrity constraint to ensure that the only allowable values for the Category field are PZL, GME, and TOY. Ensure that the ItemNum field is the primary key and that the ItemNum field in the OrderLine table is a foreign key that must match the primary key of the Item table.

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1 Consider the following steps to create an integrity constraints on Category field to allow the val... View the full answer