魏光华的专栏

--建新表CREATE TABLE [dbo].[t_register] ( [fguid] [varchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL , [fkey] [varchar] (255) COLLATE Chinese_PRC_CI_AS NULL , [fvalue] [varchar] (500) COLLATE Chinese_PR

CREATE TABLE [dbo].[t_sys_offline] ( [fguid] [varchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL , [issync] [int] NULL , [fdate] [datetime] NULL ) ON [PRIMARY]GOALTER TABLE [dbo].[t_sys_offline] ADD