SQLServer2008/2005 生成数据字典SQL语句

SELECT     
  表名=case   when   a.colorder=1   then   d.name   else   ''   end,表说明=case   when   a.colorder=1   then   isnull(f.value,'')   else   ''   end,字段序号=a.colorder,字段名=a.name,标识=case   when   COLUMNPROPERTY(   a.id,a.name,'IsIdentity')=1   then   '√'else   ''   end,主键=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,类型=b.name,占用字节数=a.length,长度=COLUMNPROPERTY(a.id,'PRECISION'),小数位数=isnull(COLUMNPROPERTY(a.id,'Scale'),0),允许空=case   when   a.isnullable=1   then   '√'else   ''   end,默认值=isnull(e.text,''),字段说明=isnull(g.[value],'')   
  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.minor_id          
  left   join   sys.extended_properties f   on   d.id=f.major_id   and   f.minor_id   =0   
  --where   d.name='要查询的表'         --如果只查询指定表,加上此条件   
  order   by   a.id,a.colorder   

（编辑：李大同）

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