工作中遇到乙個需求，要查詢表結構以及索引、主鍵，本來搞定了，可突然又不好使了，因為我第一次寫的指令碼只能相容sql server 2005，用在sql server 2000裡面就報錯了，鬱悶，我再改，這次是通用的了，看它還敢給我報錯！
--查詢索引和主鍵
select
indexid = idx.indid,
indexname = idx.name,
columnname = col.name,
sort = case indexkey_property(idx.id, idx.indid, idxk.keyno, 'isdescending')
when 1 then 'desc'
when 0 then 'asc'
else '' end,
primarykey = case objpk.xtype
when 'pk' then '√'
else ''end
from
sysindexes idx
inner join sysobjects c
on idx.id=c.id
and c.xtype='u'
left join sysobjects objpk
on objpk.[name]=idx.[name]
left join sysindexkeys idxk
on idx.id = idxk.id
and idx.indid = idxk.indid
left join syscolumns col
on col.colid = idxk.colid
and col.id = idxk.id
where
c.name='tablename' --這裡改成表名
and col.name is not null
--查詢表結構
select
id = col.colorder,
[name] = col.name,
[systemtype] = types.name,
[length] = cast(case when types.name in (n'nchar', n'nvarchar') and col.length <> -1 then col.length/2
else col.length end
as int)
from
syscolumns col
left join systypes types
on col.xtype = types.xusertype
inner join sysobjects obj
on col.id = obj.id
and obj.xtype = 'u'
and obj.name <> 'dtproperties'
where
obj.name='tablename'--這裡改成表名
order by
col.colorder
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