以下是我的加入,如果这有帮助的话: (((( IC_Products [PC] DC_Transactions [DCT] ON [PC].ProductKey[Name] AS NVARCHAR(40)) AS [Supplier] , [PC].Description1 , @Shrink AS [Shrink]
FROM (((( IC_Prod
当我编写以下查询时:FROM people(SELECT caller, receiver FROM phone_calls WHERE month = 7 AND day = 28 AND year = 2020 AND duration < 60);不知道问题在哪里..。来电者是带有电话号码的短信。而且,这也是我在is 50‘s’s‘s 50’s上的尝试。