sql - 在 SQL 查询中选择不带负值

Question

如何Total根据此查询选择没有负值的所需值？

第二行不应返回，因为该Total值小于 0。

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