【摘要】 研究了目前流行的ADO数据访问机制,同时利用Delphi7提供的ADO组件连接加密的Access数据库,设计了一个具体模型即安装工程中仪器仪表查询系统的子系统———台班费用查询引擎,并在WindowsXP、Delphi7和AccessXP系统中测试通过。在此基础上分析了“Delphi+ADO+Access”组合的优点和不足。更多还原

【Abstract】 Based on the research of ADO technology,a query engine model of rent charge for instruments was designed,which used ADO component of Delphi 7 linked to encrypted database of Microsoft Access,and was tested successfully in the systems of Windows XP,Delphi 7 and Access XP.Finally,the advantages and the disadvantages of the combination of Delphi and ADO and Access were analyzed.更多还原