After you see the advantages of star join optimization, this article provides annotated explain output to show you precisely how star join plan information appears in explain file.
在您看到星型连接优化的优点后,本文通过带有注释的解释输出准确地告诉您星型连接计划的信息是如何出现在解释文件中的。
The guideline in the profile typically overrides the general optimization for the application settings, therefore giving good control of plan evaluation to the profile.
概要文件中的指南通常覆盖用于应用程序设置的常规优化,从而使概要文件能够更好地控制计划评估。
Better UNION handling in the compile and optimization phase of the access plan.
在访问计划的编译和优化阶段提供更好的UNION处理。
The following examples are demonstrative of optimization profiles usage in 3 categories, namely, general optimization, query rewrite, and plan optimization.
下面的例子演示了优化概要文件在3类情况下的使用,即常规优化、查询重写和计划优化。
Based on the analysis for running performance and logs of the infrastructure system, to solve the issue in daily use and to develop the optimization plan and to implement.
通过对基础信息系统的运行性能及运行日志的分析,解决日常使用中发生的问题并制定基础信息系统的优化方案并实施。
Query optimization is the main problem of query processing research, thus in particular discusses cost estimated, query plan, search Spaces and so on related problems.
查询优化是查询处理研究的一个主要问题,为此着重分析研究了查询优化所涉及的代价估计、查询规划和搜索空间等相关问题。
This method can guarantee the generation of optimization execution plan and costs a little.
该方法开销小,且能产生优化的执行规划。
The essay deals with it focusing on the optimization of the establishment of logistics center and the transportation plan.
本文从物流中心设置及配送方案着手,提出了相关的优化方法以期解决这一问题。
The search space of parallel query execution plan is exponential complexity. How to prune the search space efficiently is the key problem of parallel query optimization.
并行查询执行计划的搜索空间里指数级增长,如何高效地裁剪搜索空间是并行查询优化的关键所在。
In plan optimization module, the access path selection and the account method of cost evaluation are discussed in detail.
在计划优化模块中,详细讨论了存取路径的选择和代价评估的计算方法。
Optimization Of shift plan is an important problem in the Freight Classification Computer Integrated Process System (CIPS).
在铁路货运编组站计算机集成过程系统(CIPS)的设计中,班计划决策优化是一个很重要的问题。
Optimization of mine design plan is a multisystem incompatible problem.
矿井设计优选是一个多系统不相容问题。
The article introduces the object and request of talent training, the plan and specialty of course, the optimization of specialty content of engineering of surveying and mapping.
本文介绍了我校测绘工程专业教学计划中的人才培养目标和培养要求、课程设置模块及其特点,并对本专业数门主干课的内容优化作了探讨。
Vertical swinging of transformer and other high & low voltage switch boxes should be carried out simultaneously. Have further argument and optimization of hoisting plan before hoisting.
变压器的垂直吊运与同变电室的其他高、低压配电柜同期进行,吊装前对吊装方案进一步论证和优化。
On this foundation, essential sizes of the mill and the optimization plan in order to save production cost.
在此基础上,为节约生产成本,对球磨机的关键尺寸进行优化,得出了优化方案。
Generally speaking, the rationality of landscape pattern decreased. It needs optimization plan and construction.
总体来看景观格局的科学合理性下降,需要进行优化规划和建设。
By solving the model, the optimization sequence of inspection plan is gained and the influence of correlative parameter in the quality cost model is also analyzed.
通过对模型的求解,得到工序检验方式的最优化序列,并进一步分析模型中相关参数对决策序列的影响。
The GERT network can solve not only the project time optimization problem in making bridge construction plan, but also the cost optimization in the limit of proper project time and resource.
随机网络不仅可以解决桥梁施工计划的工期优化问题,而且在合理工期和限定资源条件下,可进行施工成本优化。
The practice proves that both models can play very important role in the optimization of the production plan and enhance the yield of steel products and slab quality.
实践证明,两种控制模型对保证铸坯产品的计划优化、提高钢材收得率及提高铸坯产品质量等均起到很大的作用。
To a certain extent, it reflects the internal relation of assembling process, which can help deal with the parameter of assembling cost before the optimization Train Formation Plan.
该关系式在一定意义下反映了集结过程的内在联系,在优化编组方案过程中对集结耗费这一参数的处理有一定的指导意义。
The paper analyses the advantages and disadvantages of the technological process in some domestic main furfural refining extracting systems, and puts forward the optimization on the process plan.
分析了国内糠醛精制装置几种主要抽提系统工艺流程的优缺点,并提出优化流程方案。
The major research of this paper includes: (1) Establish departure plan optimization model for regional networks of public transport and use appropriate solving method.
本文的主要研究成果包括:(1)建立适于区域网络的公交发车计划优化模型,并采用合适的方法求解。
Wireless network, as an important part of network plan and optimization, has been asked for more and more.
无线网络作为网络规划和优化的重要组成部分,对其则提出了更高的要求。
It is emphasized that the query plan of object-oriented graphic database, query controller structure of graphic database, language specification of GDQL and query optimization.
介绍了面向对象图形数据库的一般查询方法、图形数据库的查询处理器结构、GDQL的语言描述以及查询优化等内容。
In view of site selection for ore transport system in mine, general plan optimization method of main production logistics system in mine was discussed in combination with engineering design examples.
针对矿山工程设计中物流系统的选址问题,结合工程实例探讨了矿山主要生产物流系统设计的优化方法。
Optimization of smooth blasting procedure, the most important one for network plan, is discussed.
在施工网络计划的优化过程中,就关键工序光面爆破进行了优化设计。
Part VI proposes the measures of the traffic organization optimization: proposes the specific measures from the three aspects of politics and management and plan to promote the optimization.
第六部分提出长春市交通空间组织优化的措施:从政策、管理以及规划三个角度提出具体措施,促进交通空间组织优化。
On the whole, the results of this research could solve the regional public transport departure plan optimization, providing constructive comments for improve transit operation and service.
综合来看,本文的研究成果较好的解决了区域公交发车计划优化问题,为公交运营管理和服务水平的改善提出了建设性意见。
On the whole, the results of this research could solve the regional public transport departure plan optimization, providing constructive comments for improve transit operation and service.
综合来看,本文的研究成果较好的解决了区域公交发车计划优化问题,为公交运营管理和服务水平的改善提出了建设性意见。
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