SELECT 

    表名       = case when a.colorder=1 then d.name else '' end,  

    表说明     = case when a.colorder=1 then cast (isnull(f.value,'') as varchar(2000)) 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 '√'else '' end,  

    主键       = case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (  

                     SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '√' else '' 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 '√'else '' end,  

    默认值     = isnull(e.text,''),  

    字段说明   = cast(isnull(g.[value],'') as varchar(2000))  

FROM 

    syscolumns a  

left join 

    systypes b  

on 

    a.xusertype=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 

sys.extended_properties   g  

on 

    a.id=G.major_id and a.colid=g.minor_id  

left join 

 

sys.extended_properties f  

on 

    d.id=f.major_id and f.minor_id=0  

-- where d.name='C_PARTY_SPREADER'    --如果只查询指定表,加上此条件  

order by 

    a.id,a.colorder