这是PB和SQL的课程设计,真的是不错的哦,大家下下来看看吧-This is SQL PB and curriculum design, and really good, oh yes, we see it down under

数据库机房管理系统，数据库课程设计专用，老少皆宜，通俗易懂。-The data management system of computer room

智能卡计费管理系统，可以应用于网吧、学校、政府机关、税务、银行等领域的机房计费管理，使管理方便、快捷而取得更好的经济效益。-Smart card billing management system that can be applied to Internet cafes, schools, government agencies, taxation, banking and other areas of the engine room billing management, so that m