基于日志的数据追加技术的研究和设计

Research and Design of Data Super Addition Technology Based on Log

通过比较数据仓库应用中的“时标法”和“前后映像比较法”这两种数据追加技术的优点和不足,提出了一种基于日志的数据追加技术的设计方法。该方法能为不同的系统定制需要跟踪的数据,并记录变化情况,从而可减少对业务系统的修改,以满足对政务和商务领域中决策需求的变化。

Through comparing the advantages and disadvantages of the “data flag”and “comparison images” data super addition technologies, this paper presents a design method of data supper addition based on log. The method can apply to diverse systems and record fire changes of required data and deduce the modification of operation system, thereby the method can satisfy, tire changes of decision in tire government and business affairs field.