As there is no commercial temporal database management system, the research on temporal database design methodology based on mainstream database management system has practical significance.

目前还没有商品化的时态数据库产品出现，因此研究基于主流的商品化数据库管理系统的时态数据库设计方法具有重要的实际意义。

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This paper has introduced the design methodology of main memory, database index in fire monitoring system, and compared the system running efficiency in these two situations.

本文介绍了消防监控系统中内存数据库索引的设计方法，并对比了两种方法下的系统运行效率。

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