1) multi join query
多元连接查询
1.
Parallel execution of the multi join query is one of the research emphases of the parallel database.
多元连接查询的并行执行是并行数据库的研究重点 ,传统的并行查询处理算法没有利用面向对象数据库及其查询的特点 ,算法效率较低 。
2) multi-join query
多连接查询
1.
Parallel multi-join query optimization algorithm based on PC clusters;
基于机群系统的并行多连接查询优化算法
2.
Distribution of processors in parallel multi-join query based on PC clusters
基于机群的并行多连接查询处理机分布算法
3.
Aiming at the issues of complicated multi-join query in the distributed architecture of disaster data management system,this thesis systemically introduces the principles and characteristics of particle swarm optimization(PSO) algorithm,and analyzes the effectiveness of applying PSO to solve the multi-join query optimization problem.
针对地质灾害监测数据管理系统分布式体系结构下的复杂多连接查询,系统介绍了粒子群优化算法的原理和特点,并分析了采用粒子群优化算法求解多连接查询优化问题的有效性。
3) multi-joint query
多连接查询
1.
The algorithm of multi-joint query optimization based on genetic algorithm with overall search ability and simulated annealing with local search ability are proposed by combining with characteristic of multi-join optimization:Starting an optimal-solution-search to the overall situation in a group of initial population,which is random selected.
结合多连接查询的特点,提出将侧重于全局搜索的遗传算法与侧重于局部搜索的模拟退火算法相结合的数据库多连接查询优化算法:先从一组随机产生的初始种群开始全局最优解的搜索,通过选择、交叉、变异等遗传操作产生新一代种群,然后对新个体进行模拟退火操作,将结果作为下一代种群中的个体。
4) Multi-Join Query Optimization
多连接查询优化
1.
as the extending of the distributed database,The problem of the multi-join query optimization largely influence the efficiency of the data query,but traditional optimization techniques for multi-join query are inadequate to support some of the database applications.
近年来，分布式数据库的应用变得更加广泛，但分布式数据库中的多连接查询优化问题却没有得到很好的解决。
2.
The algorithm of multi-join query optimization based on genetic algorithm with overall search ability and simulated annealing with local search ability are proposed by combining with characteristic of multi-join optimization.
而数据查询中最复杂的是多表连接查询,这极大的影响着数据查询效率,因此多连接查询优化是数据库优化的关键问题之一。
5) join query
连接查询
1.
Study on join query processing schemes in a mobile computing environment;
面向移动计算环境的连接查询处理模式
2.
Correct use of outer join query technology can not only reduce the data flow on the network,but also improve the efficiency of system.
NET/C#对SQL语句的调用和执行方法与技术,重点介绍了外连接查询SQL语句的编写技巧以及在系统开发中的应用。
3.
So the key of query optimization is optimization of multi-join query.
在数据库系统中,查询速度的快慢直接影响到应用系统的生命力,其中连接作为关系数据库模型的一个基本的操作,将在不同的关系上进行,使用频率较高,执行的开销也很大,因此查询优化的关键是多元连接查询的优化。
6) multidimensional queries
多元查询
补充资料：查询权和监督、质询权
查询权和监督、质询权：股东有权查阅公司章程、股东大会会议记录和财务会议报告对公司的经营提出建议或者质询。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条