Access path selection: What did DB2 decide, and why?
选择访问路径：DB 2做出什么决策？为什么？
One solution is to funnel all the access to widgets/selection objects through the window.
一种解决方案是让所有对窗口小部件／选择对象的访问都经过窗口。
Insufficient or inaccurate statistics lead to inaccurate cost estimates for the candidate access paths and is the most common reason for the selection of inefficient access paths.
不充分或不准确的统计数据会导致对候选访问路径评估不准确，这也是选择低效访问路径的最常见原因。
Before access path selection, the DB2 optimizer transforms SQL statements into forms that are semantically identical, such as by using predicate pushdown or predicate transitive closure.
在选择访问路径之前，DB 2优化器将sql语句转换成语意上一致的形式，例如使用谓词下推或谓词传递闭包。
The server side requires a complete implementation of the query syntax, selection as well as access control and transaction support required to expose the data safely.
服务器端需要查询语法、选择操作的完整实现，以及为了数据安全而需要的访问控制和事务支持功能。
The SQL statement itself also impacts the access path selection.
sql语句本身也会影响访问路径选择。
Index design has a critical impact on access path selection.
索引设计对访问路径选择至关重要。
In that case, reorganizing the index might lead to its selection as part of a better-performing query access path.
在这种情况下，重新组织索引可能会影响DB2的选择，可能产生性能更好的查询访问路径。
Other considerations for access path selection.
选择访问路径的其他影响因素。
Statistics advisor: recommendations for collecting the required statistics to facilitate access path selection.
统计数据advisor工具：收集所需统计数据以完成访问路径的建议。
It was thus inevitable that bulls would fight bitterly for access to females, and also inevitable that natural selection would spawn an arms race in the antlers that promoted success in those battles.
因此，不可避免的是，公麋鹿会为了争夺母鹿而进行残酷的搏斗，自然选择势必导致公麋鹿的“军备竞赛”——通过的角的进化以获得战斗的胜利。
Namely, it needs a shard-access strategy, a shard-selection strategy, and a shard-resolution strategy.
比如，需要一个切分访问策略、一个切分选择策略和一个切分处理策略。
They also have access to a family area, where Microsoft Xbox gaming systems and a selection of games are available.
在家庭区域，乘客可随时享用机场提供的微软Xbox游戏机和大量的游戏。
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。
Right View Selection menu access mode features, feature extraction, the choice of cluster analysis algorithms.
右视图选择菜单获得模式特征，进行特征提取后，选择各种算法进行聚类分析。
In this paper, first the query technology on database is analysed, then two optimization methods are offered: the disintegration query and the best access path selection.
本文对数据库的查询技术进行分析，给出两种优化方法：分解查询和选择最优存取路径。
These robust, highly visible models indicate sensor status in difficult to access areas, and they solve a variety of assembly line applications by indicating and verifying part selection.
他补充道：“这些耐用的高可视化的指示灯指示难以进入领域传感器状态，通过指示和验证部分选择解决了多种装配线应用。”
This paper emphasizes on broadcast content selection strategy and broadcast scheduling algorithm for efficient access of multiple data items.
本文着重研究广播内容选择策略和多数据项广播调度算法。
Software consists of system initialization, self-test, measurement range selection, balance parameter setting, calibration coefficients determining, access programs of keyboard and LCD.
软件部分主要包括系统的初始化、自检、量程选择、平衡参数设置、定标系数确定、动平衡测量、键盘中断处理、彩色液晶显示等模块。
This paper introduces the selection principle of equipment renewal scheme. Based on practical examples, the vague access method of the policy about equipment renewal is illustrated.
介绍了设备更新方案的选择原则，列举实例着重论述了设备更新决策的模糊评价方法。
If you are not eligible for access at present, you may sample a selection of articles without logging in or registering.
如果你目前不适合进入，你可以取一种文章的选择样没有请求线上或者记录。
The customer market covered by market channel and selection of product access are not clear and reasonable enough.
营销渠道所覆盖的客户市场、产品渠道通路的选择以及功能定位不够清晰、合理。
Cognitive radio can effectively improve the utilization of spectrum through dynamic spectrum access technology, in which the channel selection affects directly the performance of the system.
认知无线电可以通过动态频谱接入技术来有效的提高频谱的利用率，而在动态频谱接入中信道选择策略的优劣直接影响着系统的性能。
With the joint guidance of the school and enterprise mentors, engineering graduates should write out topic selection report after further research and data access.
工程硕士学位文应在学校导师和企业导师的共同指导下，经调研、资料查阅后，写出选题报告。
If you click Cancel during selection, the app will ask you to select access point by each connection attempt.
如果您单击选择取消期间，应用程序会要求您选择接入点，每个连接尝试。
This paper discusses the standard cataloguing in CNMARC200 field and the selection of the related field access points by example, according to the characteristics of CALIS using the CNMARC.
根据CALIS利用CNMARC著录格式的特点，通过实例，对CNMARC200字段的题名规范著录及相关字段检索点的选取进行探讨。
All guests have free access to wifi in public areas, and rooms are equipped with LCD flat screens with an extensive international selection of TV channels.
所有的宾客都可以在公共区域使用免费的无线网络，每间客房都配备有可收看国际电视频道的平面液晶电视。
This paper mainly introduced two theories about the mechanism of lexical access in bilingual speech production: language-unspecific selection theory and language-specific selection theory.
文章主要介绍了双语言语产生中词汇提取机制的两种理论：非特定语言提取的理论和特定语言提取的理论。
A brief selection of recent, useful books chosen for readability, interest, and ease of access, mostly in paperback editions, as well as for quality of scholarship.
选自当代参考书里的部分文章主要为易读、有趣且容易取得使用，大多数出自颇具学术品质之平装本。
A brief selection of recent, useful books chosen for readability, interest, and ease of access, mostly in paperback editions, as well as for quality of scholarship.
选自当代参考书里的部分文章主要为易读、有趣且容易取得使用，大多数出自颇具学术品质之平装本。
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