Therefore, when age is presented in some form of output (report or Web page), it was calculated rather than extracted from the database.
因而，当一些输出表(报表或web页面)中显示了Age时，它应该是计算出来的，而不是从数据库中提取出来的。
By using related database technique, historic database is created automatically in order to realize the historic data inquiry in the form of historic curve and data report.
利用相关数据库知识，自动生成了历史数据库，以历史曲线和数据报表的形式完成了历史数据查询。
It can show examinee information, back up the database, export typing the corresponding report form.
可以对考生信息进行显示查询，付数据库进行备份，对相应的报表进行输出打印。
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