【SQL语句】

/**-- ============================================= 
Author:		xft
CteateDate:	2013-10-11
Description:查看表的完整字段信息
Remark:
ModifyHistory:修改 添加了字段长度和标识等信息
**/-- ============================================= 
CREATE PROCEDURE [dbo].[sp_select_talberowName] 
(@tablename varchar(max)) 

AS 
BEGIN 
SET NOCOUNT ON; 
--declare @sql varchar(max) 
--set @tablename=@tablename 
----set @sql = 'select a.name,b.value 
----from sys.syscolumns a left join sys.extended_properties b on a.id=b.major_id AND a.colid = b.minor_id 
----Where a.ID=OBJECT_ID('''+@tablename+''')' 

--set @sql='select e.name,c.[type],e.value from (( 
--select a.name,b.value 
--from sys.syscolumns a left join sys.extended_properties b on a.id=b.major_id AND a.colid = b.minor_id 
--Where a.ID=OBJECT_ID('''+@tablename+''')) as e 
--left join ( 
--select sys.columns.name,sys.types.name as [type] from sys.columns,sys.tables,sys.types 
--where sys.tables.object_id=sys.columns.object_id and sys.types.user_type_id=sys.columns.user_type_id 
--and sys.tables.name='''+@tablename+''') as c 
--on e.name=c.name)' 

--print @sql 
--exec (@sql) 
DECLARE @sql Nvarchar(2000)
SET @sql = 'SELECT
字段序号=a.column_id,
字段名=a.name,
类型=b.name,
长度=a.max_length,
小数位数=a.scale,
标识=case    when a.is_identity = 1 THEN '+''''+'是'+''''+' else '+ ''''+''+'''' +' end,
主键=case   when   exists(SELECT   1   FROM   sys.objects   where   type='+''''+'PK'+''''+'  and   name   in   (
SELECT   name   FROM   sys.indexes   WHERE   index_id   in(
SELECT   index_id   FROM   sys.index_columns    WHERE   object_id   =   a.object_id   AND   column_id=a.column_id
)))   then   '+''''+'是'+''''+' else '+''''+''+''''+'end,
允许空=case   when   a.is_nullable=1   then  '+''''+'是'+''''+' else '+''''+''+''''+' end,
默认值=isnull(e.text,'+''''+''+''''+'),
字段说明=isnull(g.[value],'+''''+''+''''+')
FROM   sys.columns   a
left   join   sys.types   b   on   a.user_type_id=b.user_type_id
inner   join   sys.tables    d   on   a.object_id=d.object_id 
left   join   sys.syscomments   e   on   a.default_object_id=e.id
left   join   sys.extended_properties   g   on   a.object_id=g.major_id   and   a.column_id=g.minor_id
left   join   sys.extended_properties   f   on   d.object_id=f.major_id   and   f.minor_id=0
WHERE d.name='+''''+@tablename+''''+'order   by  d.name,a.column_id'
EXEC sp_executesql  @sql 
END 
GO