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-- 數(shù)據(jù)字典

SELECT

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

        a.colorder 字段序號(hào),

        a.name 字段名,

        (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 標(biāo)識(shí),

       (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) 主鍵,

       b.name 類型,

       a.length 占用字節(jié)數(shù),

      COLUMNPROPERTY(a.id,a.name,'PRECISION') as 長(zhǎng)度,

      isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小數(shù)位數(shù),

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

      isnull(e.text,'') 默認(rèn)值,

      isnull(g.[value],'') AS 字段說(shuō)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'

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.major_id

order by a.id,a.colorder