在SQL查询中选择没有负值

Question

如何根据此查询选择没有负Total值的所需值？

由于Total值小于0，不应返回第二行。

SELECT DealerCode, PaymentType, Total  
FROM DEL_Purchases 
WHERE DealerCode = 'A0686P'

Answer 1

select DealerCode, PaymentType, Total from DEL_Purchases 
where DealerCode='A0686P' and Total > 0