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