0
当我没有右侧的时候,我在列StatusOfDeduplication上得到了NULL,而是5.大小写和状态有问题
这个查询有什么问题?
select c.Code AS Code, c.DefaultName AS Name, c.Status AS Status,
case cp.TargetCodeStatus when Null then 5 else cp.TargetCodeStatus end as StatusOfDeduplication from Cities c LEFT JOIN CityPackages cp ON cp.TargetCode = c.Code
太好了,谢谢! – user278618 2010-09-08 14:26:18