摘要: 测试表【test1】 错误的写法: select s1.kc1-s2.kc2 from ( ( select kc as kc1 ,[MONTH] from test1 where [type]=1 ) s1 left join ( select kc as kc2,[MONTH] from tes 阅读全文
posted @ 2022-06-14 19:07 冬月二四 阅读(234) 评论(0) 推荐(0) 编辑