SQl

-- ======================================================
--列出SQL SERVER  一个表的字段名,主键,类型,长度,小数位数等信息
-- ======================================================
SELECT
      (case when a.colorder=1 then d.name else '' end)TableName,--表名
      a.colorder 字段序号,
      a.name FieldName,--字段名
      (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,
      (case when (SELECT count(*)
      FROM sysobjects
      WHERE (name in
                (SELECT name
               FROM sysindexes
               WHERE (id = a.id) AND (indid in
                         (SELECT indid
                        FROM sysindexkeys
                        WHERE (id = a.id) AND (colid in
                                  (SELECT colid
                                 FROM syscolumns
                                 WHERE (id = a.id) AND (name = a.name))))))) AND
             (xtype = 'PK'))>0 then '√' else '' end) MainKey,--主键
      b.name FieldType,--类型
      a.length 占用字节数,
      COLUMNPROPERTY(a.id,a.name,'PRECISION') as Length,--长度
      isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
      (case when a.isnullable=1 then '√'else '' end) ISNUL,--允许空
      isnull(e.text,'') DefaultValue,--默认值
      isnull(g.[value],'') AS 字段说明  
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.name<>'dtproperties'-- and d.name =:TableName
left join syscomments e
on a.cdefault=e.id
left join sysproperties g
on a.id=g.id AND a.colid = g.smallid 
order by a.id,a.colorder
 

posted on 2004-06-07 15:01  乔本生涯a  阅读(370)  评论(0编辑  收藏  举报

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