摘要：
有以下测试表CREATE TABLE [dbo].[TableTest]([Id] [int] NOT NULL,[Name] [nvarchar](50) NOT NULL,[TelNo] [varchar](50) NULL) ON [PRIMARY]有5条记录insert TableTest values(1,'李一','12345')insert TableTest values(2,'王二',Null)insert TableTest values(3,'张三','34567')insert TableT 阅读全文
