SELECT shipping_agent_code FROM Ref_Shipping_Agents WHERE shipping_agent_name = "UPS";
What is the shipping agent code of shipping agent UPS?
SELECT shipping_agent_code FROM Ref_Shipping_Agents WHERE shipping_agent_name = `` UPS '' ;
select shipping_agent_code from ref_shipping_agents where shipping_agent_name = value
What is the shipping agent code of shipping agent UPS ?