(转载自--http://www.cnblogs.com/qiubole/articles/157309.html)
-- ======================================================
		--列出SQL SERVER 所有表,字段名,主键,类型,长度,小数位数等信息
		--在查询分析器里运行即可,可以生成一个表,导出到EXCEL中
		-- ======================================================
		SELECT 
		       (case when a.colorder=1 then d.name else '' end)表名,
		       a.colorder 字段序号,
		       a.name 字段名,
		       (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,
		       (case when (SELECT count(*)
		       FROM sysobjects
		       WHERE (name in
		                 (SELECT name
		                FROM sysindexes
		                WHERE (id = a.id) AND (indid in
		                          (SELECT indid
		                         FROM sysindexkeys
		                         WHERE (id = a.id) AND (colid in
		                                   (SELECT colid
		                                  FROM syscolumns
		                                  WHERE (id = a.id) AND (name = a.name))))))) AND
		              (xtype = 'PK'))>0 then '√' else '' end) 主键,
		       b.name 类型,
		       a.length 占用字节数,
		       COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,
		       isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
		       (case when a.isnullable=1 then '√'else '' end) 允许空,
		       isnull(e.text,'') 默认值,
		       isnull(g.[value],'') AS 字段说明    
		 
		FROM  syscolumns  a left join systypes b 
		on  a.xtype=b.xusertype
		inner join sysobjects d 
		on a.id=d.id  and  d.xtype='U' and  d.name<>'dtproperties'
		left join syscomments e
		on a.cdefault=e.id
		left join sysproperties g
		on a.id=g.id AND a.colid = g.smallid  
		order by a.id,a.colorder
		-------------------------------------------------------------------------------------------------
		 
		 
		 
		 
		 
		 
		列出SQL SERVER 所有表、字段定义,类型,长度,一个值等信息
		并导出到Excel 中
		-- ======================================================
		-- Export all user tables definition and one sample value
		-- jan-13-2003,Dr.Zhang
		-- ======================================================
		在查询分析器里运行:
		SET ANSI_NULLS OFF 
		GO
		SET NOCOUNT ON
		GO
		 
		SET LANGUAGE 'Simplified Chinese'
		go
		DECLARE @tbl nvarchar(200),@fld nvarchar(200),@sql nvarchar(4000),@maxlen int,@sample nvarchar(40)
		 
		SELECT d.name TableName,a.name FieldName,b.name TypeName,a.length Length,a.isnullable IS_NULL INTO #t
		FROM  syscolumns  a,  systypes b,sysobjects d  
		WHERE  a.xtype=b.xusertype  and  a.id=d.id  and  d.xtype='U' 
		 
		DECLARE read_cursor CURSOR
		FOR SELECT TableName,FieldName FROM #t
		 
		SELECT TOP 1 '_TableName                     ' TableName,
		            'FieldName                      ' FieldName,'TypeName             ' TypeName,
		            'Length' Length,'IS_NULL' IS_NULL, 
		            'MaxLenUsed' AS MaxLenUsed,'Sample Value          ' Sample,
		             'Comment   ' Comment INTO #tc FROM #t
		 
		OPEN read_cursor
		 
		FETCH NEXT FROM read_cursor INTO @tbl,@fld
		WHILE (@@fetch_status <> -1)  --- failes
		BEGIN
		       IF (@@fetch_status <> -2) -- Missing
		       BEGIN
		              SET @sql=N'SET @maxlen=(SELECT max(len(cast('+@fld+' as nvarchar))) FROM '+@tbl+')'
		              --PRINT @sql
		              EXEC SP_EXECUTESQL @sql,N'@maxlen int OUTPUT',@maxlen OUTPUT
		              --print @maxlen
		              SET @sql=N'SET @sample=(SELECT TOP 1 cast('+@fld+' as nvarchar) FROM '+@tbl+' WHERE len(cast('+@fld+' as nvarchar))='+convert(nvarchar(5),@maxlen)+')'
		              EXEC SP_EXECUTESQL @sql,N'@sample varchar(30) OUTPUT',@sample OUTPUT
		              --for quickly   
		              --SET @sql=N'SET @sample=convert(varchar(20),(SELECT TOP 1 '+@fld+' FROM '+
		                     --@tbl+' order by 1 desc ))'  
		              PRINT @sql
		              print @sample
		              print @tbl
		              EXEC SP_EXECUTESQL @sql,N'@sample nvarchar(30) OUTPUT',@sample OUTPUT
		              INSERT INTO #tc SELECT *,ltrim(ISNULL(@maxlen,0)) as MaxLenUsed,
		                     convert(nchar(20),ltrim(ISNULL(@sample,' '))) as Sample,' ' Comment FROM #t where TableName=@tbl and FieldName=@fld
		       END
		       FETCH NEXT FROM read_cursor INTO @tbl,@fld
		END
		 
		CLOSE read_cursor
		DEALLOCATE read_cursor
		GO
		 
		SET ANSI_NULLS ON
		GO
		SET NOCOUNT OFF
		GO
		select count(*)  from #t
		DROP TABLE #t
		GO
		 
		select count(*)-1  from #tc
		 
		select * into ##tx from #tc order by tablename
		DROP TABLE #tc
		 
		--select * from ##tx
		 
		declare @db nvarchar(60),@sql nvarchar(3000)
		set @db=db_name()
		--请修改用户名和口令 导出到Excel 中
		set @sql='exec master.dbo.xp_cmdshell ''bcp ..dbo.##tx out c:\'+@db+'_exp.xls -w -C936 -Usa -Psa '''
		print @sql
		exec(@sql)
		GO
		DROP TABLE ##tx
		GO
		 
		 
		 
		-- ======================================================
		--根据表中数据生成insert语句的存储过程
		--建立存储过程,执行 spGenInsertSQL 表名
		--感谢playyuer
		-- ======================================================
		CREATE   proc spGenInsertSQL (@tablename varchar(256))
		 
		as
		begin
		  declare @sql varchar(8000)
		  declare @sqlValues varchar(8000)
		  set @sql =' ('
		  set @sqlValues = 'values (''+'
		  select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],' 
		    from 
		        (select case 
		                  when xtype in (48,52,56,59,60,62,104,106,108,122,127)                                
		                       then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'
		                  when xtype in (58,61)
		                       then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'
		                 when xtype in (167)
		                       then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
		                  when xtype in (231)
		                       then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
		                  when xtype in (175)
		                       then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar)  + '))+'''''''''+' end'
		                  when xtype in (239)
		                       then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar)  + '))+'''''''''+' end'
		                  else '''NULL'''
		                end as Cols,name
		           from syscolumns  
		          where id = object_id(@tablename) 
		        ) T 
		  set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename
		  --print @sql
		  exec (@sql)
		end
		 
		GO
		 
		 
		 
		-- ======================================================
		--根据表中数据生成insert语句的存储过程
		--建立存储过程,执行 proc_insert 表名
		--感谢Sky_blue
		-- ======================================================
		 
		CREATE proc proc_insert (@tablename varchar(256))
		as
		begin
		       set nocount on
		       declare @sqlstr varchar(4000)
		       declare @sqlstr1 varchar(4000)
		       declare @sqlstr2 varchar(4000)
		       select @sqlstr='select ''insert '+@tablename
		       select @sqlstr1=''
		       select @sqlstr2=' ('
		       select @sqlstr1= ' values ( ''+'
		       select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case 
		--     when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'
		       when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end'
		       when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
		       when a.xtype =61  then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'
		       when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
		       when a.xtype =62  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'
		       when a.xtype =56  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end'
		       when a.xtype =60  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'
		       when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
		       when a.xtype =108 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
		       when a.xtype =231 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
		       when a.xtype =59  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'
		       when a.xtype =58  then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'
		       when a.xtype =52  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(12),'+a.name +')'+' end'
		       when a.xtype =122 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'
		       when a.xtype =48  then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(6),'+a.name +')'+' end'
		--     when a.xtype =165 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'
		       when a.xtype =167 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
		       else '''NULL'''
		       end as col,a.colid,a.name
		       from syscolumns a where a.id = object_id(@tablename) and a.xtype <>189 and a.xtype <>34 and a.xtype <>35 and  a.xtype <>36
		       )t order by colid
		       
		       select @sqlstr=@sqlstr+left(@sqlstr2,len(@sqlstr2)-1)+') '+left(@sqlstr1,len(@sqlstr1)-3)+')'' from '+@tablename
		--  print @sqlstr
		       exec( @sqlstr)
		       set nocount off
		end
		GO