Create the Operations.Stock table with four columns: -- The stockid column of type int -- The opID column of type int that defines  --        a foreign key constraint 'fk_ops'  --        against the opID column in Operators table -- The unitprice column of type money The discontinued column of type BIT     that will take NULL and a constraint named 'def_disc' defines a default value of zero  Define a named primary key constraint called pk_stock on the stockid column

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