SELECT  
 	表名=case when a.colorder=1 then d.name else '' end, 
 	表说明=case when a.colorder=1 then isnull(f.value,'') 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=isnull(g.[value],''), 
 	索引名称=isnull(h.索引名称,''), 
 	索引顺序=isnull(h.排序,'') 
 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.status>=0 
 	left join syscomments e on a.cdefault=e.id 
 	left join sysproperties g on a.id=g.id and a.colid=g.smallid   
 	left join sysproperties f on d.id=f.id and f.smallid=0 
 	left join(--这部分是索引信息,如果要显示索引与表及字段的对应关系,可以只要此部分 
 		select 索引名称=a.name,c.id,d.colid 
 			,排序=case indexkey_property(c.id,b.indid,b.keyno,'isdescending') 
 				when 1 then '降序' when 0 then '升序' end 
 		from sysindexes a 
 			join sysindexkeys b on a.id=b.id and a.indid=b.indid 
 			join (--这里的作用是有多个索引时,取索引号最小的那个 
 				select id,colid,indid=min(indid) from sysindexkeys 
 				group by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indid 
 			join sysobjects c on b.id=c.id and c.xtype='U' and c.status>=0 
 			join syscolumns d on b.id=d.id and b.colid=d.colid 
 		where a.indid not in(0,255) 
 	) h on a.id=h.id and a.colid=h.colid