小编use*_*553的帖子

当我尝试在SQL Server 2012中将兼容级别设置为80时:

ALTER DATABASE database_name SET COMPATIBILITY_LEVEL = 80;

我收到以下错误:

消息15048,级别16,状态1
数据库兼容级别的有效值为90,100 或110.

有没有解决方法？

SELECT  LM.LocationName ,
        PPD.RegistrationNo ,
        ISNULL(PPD.Title, '') + ' ' + ISNULL(PPD.FirstName, '') + ' '
        + ISNULL(PPD.LastName, '') AS CustomerName ,
        PPD.RegistrationDate ,
        PPD.Ref_By_Patient ,
        ISNULL(PPD1.Title, '') + ' ' + ISNULL(PPD1.FirstName, '') + ' '
        + ISNULL(PPD1.LastName, '') AS Ref_By_PatientName ,
        PPD.Mobile ,
        PPD.Res_Telephone ,
        PPD.Off_Telephone ,
        PPD.EMail ,
        KB.KwnBy ,
        RTM.RegType ,
        PPD.Street ,
        AM.area_name ,
        CM.city_name ,
        DM.DoctorName ,
        PPD.SpecialDiscount ,
        PPD.SpecialDisPercentage ,
        PPD.ServiceDisPercentage ,
        PPD.Type ,
        PPD.TypeChangedDate
FROM    Patient_Personal_Details PPD ,
        LocationMaster LM ,
        KnownBy …