sql server tutorial cursor
DECLARE 
    @product_name VARCHAR(MAX), 
    @list_price   DECIMAL;
DECLARE cursor_product CURSOR
FOR SELECT 
        product_name, 
        list_price
    FROM 
        production.products;
OPEN cursor_product;
FETCH NEXT FROM cursor_product INTO 
    @product_name, 
    @list_price;
WHILE @@FETCH_STATUS = 0
    BEGIN
        PRINT @product_name + CAST(@list_price AS varchar);
        FETCH NEXT FROM cursor_product INTO 
            @product_name, 
            @list_price;
    END;
CLOSE cursor_product;
DEALLOCATE cursor_product;
