【摘要】 在大型的管理信息系统开发过程中,由于各种原因,经常会出现数据库结构设计不合理的情况。在系统打补丁过程中可能会导致客户使用的数据库版本不一致,在客户量较大,且比较分散的情况下,将客户的数据库升级到最终版本存在一定困难。为了解决这个问题,提出了一种基于Oracle的管理信息系统数据库自动升级方案,并且在PowerBuilder环境下给出了实现过程。更多还原

【Abstract】 In the process of developing a complicated management information system,the structure of database cannot be designed perfectly.There may be a different version for the user’s database when a patch is needed for the system.Especially,it is very difficult for many users scattered in different regions to upgrade their databases a final version.In order to treat the case,an auto-upgrading strategy for the database of management information system based on Oracle is presented in the paper.And it is realized under Power Builder.更多还原