导出数据库表中数据的SQL语句

CREATE PROCEDURE [dbo].[UspOutputData]@tablename sysnameASdeclare @column varchar(1000)declare @columndata varchar(1000)declare @sql varchar(4000)declare @xtype tinyintdeclare @name sysnamedeclare @objectId intdeclare @objectname sysnamedeclare @ident intset nocount onset @objectId=object_id(@tablename)if @objectId is null -- 判斷對象是否存在beginprint 'The object not exists'returnendset @objectname=rtrim(object_name(@objectId))if @objectname is null or charindex(@objectname,@tablename)=0 --此判断不严密beginprint 'object not in current database'returnendif OBJECTPROPERTY(@objectId,'IsTable') < > 1 -- 判斷對象是否是tablebeginprint 'The object is not table'returnendselect @ident=status&0x80 from syscolumns where id=@objectid and status&0x80=0x80if @ident is not nullprint 'SET IDENTITY_INSERT '+@TableName+' ON'declare syscolumns_cursor cursorfor select c.name,c.xtype from syscolumns c where c.id=@objectid order by c.colidopen syscolumns_cursorset @column=''set @columndata=''fetch next from syscolumns_cursor into @name,@xtypewhile @@fetch_status < >-1beginif @@fetch_status < >-2beginif @xtype not in(189,34,35,99,98) --timestamp不需处理，image,text,ntext,sql_variant 暂时不处理beginset @column=@column+case when len(@column)=0 then'' else ','end+@nameset @columndata=@columndata+case when len(@columndata)=0 then '' else ','','','end+case when @xtype in(167,175) then '''''''''+'+@name+'+''''''''' --varchar,charwhen @xtype in(231,239) then '''N''''''+'+@name+'+''''''''' --nvarchar,ncharwhen @xtype=61 then '''''''''+convert(char(23),'+@name+',121)+''''''''' --datetimewhen @xtype=58 then '''''''''+convert(char(16),'+@name+',120)+''''''''' --smalldatetimewhen @xtype=36 then '''''''''+convert(char(36),'+@name+')+''''''''' --uniqueidentifierelse @name endendendfetch next from syscolumns_cursor into @name,@xtypeendclose syscolumns_cursordeallocate syscolumns_cursorset @sql='set nocount on select ''insert '+@tablename+'('+@column+') values(''as ''--'','+@columndata+','')'' from '+@tablenameprint '--'+@sqlexec(@sql)if @ident is not nullprint 'SET IDENTITY_INSERT '+@TableName+' OFF'