【摘要】 为缩短数据库切换时间,减少对业务的影响,分析研究了数据库切换过程中涉及的各种技术,并以清华大学附属医院业务系统切换为例,设计并实施切换方案,大大缩短了业务停机时间。更多还原

【Abstract】 To shorten the switching time of the database and to reduce the impact on the business,the article analyzes the various technologies involved in the process of the database migration.As an example,an migration program for Affiliated Hospital of Tsinghua University was designed and implemented,in which the switching time is shortened a lot.更多还原