And the thesis induces and analyses the researches about the evaluation of the present several kinds of database,pointing out that database evaluation system tacks the index,that is the customer total of erupting,customer inaction deadline,it will lose sound and authoritative.
文章提出了“并发用户数”是一个评价和使用数据库的重要参量;并对当前几种数据库的评价研究进行了归纳和分析,指出数据库评价体系缺失“并发用户数”、“用户不活动时限”这两项指标,有失其健全性和权威性;确立了一个较为全面、具有可操作性的数据库评价体系。