sql2005生成数据字典

sql2005生成数据字典

分类:数据库技术

2007.1.31 10:25 作者：海浪 | 评论：0 | 阅读：1734

 SELECT

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

        a.colorder 字段序号,

       a.name 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) 主键,

       b.name 类型,

       a.length 占用字节数,

       COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,

       isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,

       (case when a.isnullable=1 then '√'else '' end) 允许空,

       isnull(e.text,'') 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'

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

 
 
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