基于SQL2005 SQL2008 表结构信息查询升级版的详解(含外键信息)

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 dbo.sysindexes si
  inner join dbo.sysindexkeys sik on si.id = sik.id and si.indid = sik.indid
  inner join dbo.syscolumns sc on sc.id = sik.id and sc.colid = sik.colid
  inner join dbo.sysobjects so on so.name = so.name and so.xtype = 'pk'
  where sc.id = a.id and sc.colid = a.colid) then '√'
  else ''
 end ,
 外键=case when tony.fkey is not null and tony.fkey=a.colid then '√' else '' end ,
 外键表=case when tony.fkey is not null and tony.fkey=a.colid
then object_name(tony.fkeyid) else ''
   end ,
 外键字段=case when tony.fkey is not null and tony.fkey=a.colid
 then (select name from syscolumns
   where colid=tony.fkey and id=tony.fkeyid)  
 else ''
 end,
 类型=b.name ,
 长度=a.length ,
 精度=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], ''),
 创建时间=d.crdate,
 更改时间=case when a.colorder = 1 then d.refdate else null end
from dbo.syscolumns a
left join dbo.systypes b on a.xtype = b.xusertype
inner join dbo.sysobjects d on a.id = d.id and d.xtype = 'u' and d.status >= 0
left join dbo.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 
left join sysobjects htl on htl.parent_obj=d.id and htl.xtype='f'
left join sysforeignkeys tony on htl.id=tony.constid
where d.name='tb'  --这里输入包含表名称的条件
order by d.id, a.colorder