摘要
由于时间的积累和交易量的增加,商务系统中数据的查询复杂度日益增大,查询效率也难以提高.为了降低数据复杂度,查询系统的数据库拟采用按年份分表存放数据的方法,以减少每个表的数据量,从而提高查询效率;为了保护客户的交易信息,系统采用对客户和登陆用户分别设置权限,加强对数据的查询控制,给使用者带来一个高效、简洁、安全的数据查询系统.
Data inquiry is becoming more and more complicated in business due to time and trading accumulation. This paper proposes an efficient, convenient and safe historical data inquiry system in which data are stored by year so that the complexity and the data amount of each table is reduced and inquiry efficiency improved and in which clients and users are given different inquiry authority for the data inquiry control.
出处
《鹭江职业大学学报》
2005年第3期56-59,共4页
Journal of Lujiang University
关键词
历史数据查询
数据库
系统
the inquiry of historicaldata
database
system