获取数据字典 存储过程

-- =============================================
-- Author: <Michael Wang>
-- Create date: <2010-07-28>
-- Description: <获取数据字典>
-- =============================================
ALTER procedure [dbo].[Sp_TableColumn]
@TableName nvarchar(100)
as
SELECT
表名=case   when   a.colorder=1   then   d.name   else   ''   end,
字段序号=a.colorder,
字段名=a.name,
标识=case   when   COLUMNPROPERTY(   a.id,a.name,'IsIdentity')=1   then   'True'   else   'False'   end,
主键=case   when   exists(SELECT   1   FROM   sysobjects   where   xtype='PK'   and   name   in   (     SELECT   name   FROM   sysindexes   WHERE   indid   in(       SELECT   indid   FROM   sysindexkeys   WHERE   id   =   a.id   AND   colid=a.colid     )))   then   N'True'   else   'False'   end,
类型=b.name,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空=case   when   a.isnullable=1   then   'True'else   'False'   end,
默认值=isnull(e.text,''),
字段说明=isnull(g.[value],''),
关联查询=isnull(h.[value],'')
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'
left   join   syscomments   e   on   a.cdefault=e.id
left   join   sys.extended_properties   g   on   d.id=g.major_id   and   a.colid=g.minor_id  AND g.name='MS_Description'
left   join   sys.extended_properties   h   on   d.id=h.major_id   and   a.colid=h.minor_id  AND h.name='关联查询'
--取消下面的注释则只返回有描述的字段
where   d.name=@TableName
order   by   a.id,a.colorder

--SELECT DISTINCT name FROM sys.extended_properties