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CREATE TABLE product ( sku TEXT NOT NULL, name TEXT NOT NULL, price NUMERIC NOT NULL, quantity NUMERIC NOT NULL, item_number TEXT NULL, CONSTRAINT product_PK PRIMARY KEY (sku), CONSTRAINT product_AK1 UNIQUE (name), CONSTRAINT product_AK2 UNIQUE (item_number), CONSTRAINT valid_price_CK CHECK (price > 0), CONSTRAINT valid_quantity_CK CHECK (quantity > 0) );
 hidden batch(es)