摘要: 在系统中引入时态数据类型,使得在关系数据库系统中能对时态数据信息进行方便有效的管理。该文给出了一个基于时态数据类型的时态索引方法:MAP21*3B+-Tree方法,通过对时态数据的各个域分别建立索引,实现双时态数据库的各种时态查询。
关键词:
时态数据类型,
时态索引,
B+-Tree
Abstract: Adding temporal data type to system, the temporal data can be managed conveniently and effectively in relational database system. This paper presents a temporal index method based on temporal data type, named MAP21*3B+-Tree, and accomplishes various temporal queries by creating temporal index for every domains of temporal data.
Key words:
Temporal data type,
Temporal index,
B+-Tree
中图分类号:
丁国芳;汤 庸;章 云. 基于时态数据类型的时态数据索引方法[J]. 计算机工程, 2006, 32(19): 17-19.
DING Guofang; TANG Yong; ZHANG Yun. Index Method of Temporal Data Based on Temporal Date Type[J]. Computer Engineering, 2006, 32(19): 17-19.