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 程式師世界 >> 數據庫知識 >> SqlServer數據庫 >> 關於SqlServer >> 如何在Sql2008中獲取表字段屬性和注釋

如何在Sql2008中獲取表字段屬性和注釋

編輯:關於SqlServer

       如何在Sql2008中獲取表字段屬性和注釋?

      select b.[value] from sys.columns a left join sys.extended_properties b on a.object_id=b.major_id

      and a.column_id=b.minor_id inner join sysobjects c on a.column_id=c.id

      and a.[name]='列名' and c.[name]='表名'

      SELECT

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

      表說明=case when a.colorder=1 then isnull(f.value,'') else '' end,

      字段序號=a.colorder,

      字段名=a.name,

      標識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,

      主鍵=case when exists(SELECT 1 FROM sysobjects where xtype='PK' 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,

      類型=b.name,

      占用字節數=a.length,

      長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),

      小數位數=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),

      允許空=case when a.isnullable=1 then '√'else '' end,

      默認值=isnull(e.text,''),

      字段說明=isnull(g.[value],'')

      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='orders' --如果只查詢指定表,加上此條件

      order by a.id,a.colorder

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