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METHOD AND APPARATUS OF MAINTAINING DATA FOR ONLINE ANALYTICAL PROCESSING IN A DATABASE SYSTEM
METHOD AND APPARATUS OF MAINTAINING DATA FOR ONLINE ANALYTICAL PROCESSING IN A DATABASE SYSTEM
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机译:数据库系统中在线分析过程中的数据维护方法和装置
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摘要
A method and an apparatus of maintaining data for online analytical processing in a database system. The method includes: tracking a changed page in a main process; and synchronizing the changed page to a child process for online analytical processing. In the method and apparatus of maintaining data for online analytical processing, the changed pages are tracked and then the child process is synchronized with the changed pages. Therefore, periodic forking is avoided, fork overhead due to periodic forking in the prior art is removed, the synchronization is faster since only the changed pages are synchronized, and the performance of online data processing is enhanced.
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