语义缓存在并行数据库系统中的应用及实现

在许多应用系统中，使用缓存技术是提高数据库查询性能的有效途径。语义缓存是重要的缓存方式之一，它将查询结果和查询的相关语义信息缓存，为将来的查询提供解答。针对一个数据量极大、持续进行查询和数据装载的数据库系统，给出了一个加入语义缓存使之优化查询性能的方法，分析了其中的关键技术，并给出了实现方法。

The application and realization of semantic buffer storage in the parallel data bank system

in many application systems, using the buffer storage technology is an effective approach for improving the funetion of data inquiry. The semantic buffer storage is one of important buff er storages which buffer - stores inquiry result and relevant semantic information and provides answer to the future inquiry. According to the data bank system which has great number of data and keeps inquiring and data loading, this paper gives the way of adding semantic buffer storage to optimize inquiring function. It analyses the key technology and gives the way of realization.