Note, however, that if you want to test the execution of the resulting access plan, you will still need to load data from production onto test (as much data as possible).
但是请注意，如果需要测试结果访问计划的执行，则仍然需要将尽可能多的数据从生产环境装入测试环境。
It estimates the execution cost of each potential access plan based on the statistics data stored in catalog and statistics tables, and selects the one with the lowest cost.
它会基于存储在目录和统计表中的统计数据而评估每一个可能的存取计划的执行开销，然后选择最低开销的存取计划。
This provides an application server environment that centralizes the execution and administration of applications on a server and allows multiple users to access them over a network.
该策略提供一个应用程序服务器环境，将应用程序的执行和管理集中到服务器上，并允许多用户在网络上进行访问。
Runtime statistics can also be gathered for access plan operators during the execution of a section.
访问计划操作者也可以在一个片段执行时收集运行时统计信息。
We've taken our sample code and created a sequence diagram in order to show you a bit of the execution flow of the Access program.
我们编写了一个样本代码并创建了一个时序图以便向你展示一些访问程序的执行流程。
The framework itself may choose to use code generation, reflective access, or AOP to apply certain logic to execution.
框架本身可以选择使用代码生成、反射访问或者将某种逻辑应用到执行中的AOP。
The use of an access database to store test execution information means there's no unit-level change control over individual test cases or test plans.
一个保存测试执行信息的访问数据库的使用，意味着对于个体的测试案例或者测试计划没有单元级别的变更控制。
The rest of this section takes you through the access path graph one more time from the data flow perspective so that you can gain a full understanding of the performance aspect of query execution.
本节的其余部分再一次以数据流的观点向您介绍访问路径图以便您可以在查询执行的性能方面获得充分的理解。
However, if literals are important to get optimal access plans, the shorter execution times of the SQL statements are more important than the elegancy of the application's source code.
但是，如果文本对于获取最优访问计划很重要，那么更短的sql语句执行时间比应用程序源代码的优雅性更重要。
Answering these questions generates the query's access path; your tuning aim is to get a better path that will reduce statement execution time.
回答这些问题就会确定查询的访问路径；调优的目标是找到更好的路径，减少语句的执行时间。
You’ll find many IBM products are tailor-made for execution over a cloud, whether it’s an entirely new offering a component that you can now access via the cloud.
您会发现许多IBM产品是为在 “云”中执行而特别定制的，不管它是否是一个新提供的完整组件，现在您都可以通过云进行访问。
Unless SQLJ was chosen as the API, all other access choices used dynamic execution.
除非已选择 SQLJ作为API，否则所有其他访问都选择使用动态执行。
If the cost estimatd does not correctly describe the real cost during SQL execution, the access plan picked by the optimizer may not be optimal.
如果评估得到的开销不能够正确反映SQL执行中的实际开销，那么优化器所选择的存取计划可能不是最优的。
True grid processing, where an application is distributed across multiple processes such that execution is always co-located with the data, providing in-process data access performance.
真正的网格处理，其中应用程序跨多个进程分布，使执行始终与数据共存，从而提供进程内数据访问性能。
The data analyst must, as part of the execution plan, determine against which data sets the investigation tests can be run and who has access to those data sets.
在执行计划中，数据分析师必须确定运行测试所用的数据集，还要确定谁对这些数据集有访问权。
Generate Business Process Execution Language (BPEL) scripts using the BPMN that access the services from the service registry.
使用从服务注册访问服务的BPMN来生成业务流程执行语言(BPEL)。
The query optimizer will give priority to an execution plan involving an MQT over a plan that involves access to remote tables.
对于涉及到MQT 的执行计划，并且该 MQT 是涉及远程表访问的计划上的 MQT，查询优化器给予它优先权。
Listing 9 contains the same three-way join SQL statement that was used in Listing 1 to introduce the concept of access paths and query execution.
清单9包含相同的三路联接sql语句，其用在清单1上以介绍访问路径和查询执行的概念。
While it may seem that the access plan in Figure 5 is simpler, it comes with a higher estimated execution cost because no index could be exploited to filter out non-qualifying rows.
虽然看上去图5中的访问计划更简单，但是它的预计执行成本更高，因为不能利用索引过滤不符合要求的行。
The DB2 optimizer computes different access plans and tries to find the one where the overall execution costs are minimal.
DB 2优化器计算不同的访问计划，并试图找出总执行成本最低的计划。
During the generation of markup or during the execution of an action, it is often necessary to access a slow backend or perform some type of time consuming calculation.
在标记生成期间或操作执行期间，经常有必要访问慢速后端或执行一些较为费时的计算。
The XU handles low-level details of rule set execution and provides access to manage its resources.
XU 处理规则集执行的低层细节，提供对资源的访问。
Despite its barbaric-sounding name, headless execution is quite an effective solution when you need to access other machines remotely through an automated process.
尽管“无头执行”这个名称有点儿夸张，但是在需要通过自动化流程远程访问其他计算机时，无头执行确实是很有效的解决方案。
Given the optimal execution time, reducing access time is another concern for developers.
如果给定最佳的执行时间，则减少访问时间是开发人员需要关心的另一个问题。
After a particular activity has executed, the name of that activity can be used to access data that resulted from its execution.
活动执行后，活动名称可用于访问活动执行生成的数据。
Domino Web Access also USES some special URL arguments that can modify the execution of the application by changing values such as form names, field values, and caching behaviors.
DominoWebAccess还使用一些特殊的URL参数，这些参数通过更改诸如表单名称、字段值和缓存行为等值，可以修改应用程序的执行。
An access path graph not only describes the "operational details" of query execution, it also describes how the data flows.
访问路径图不但描述“操作细节”，而且描述数据如何流动。
Rule Execution Server provides administrators the access they need to monitor deployed rulesets, manage decision services, and perform auditing.
RuleExecutionServer 能够让管理员访问他们需要监控的已部署规则集，管理决策服务和执行审计。
To check whether the query does indeed get routed to the MQT, you can get the query Execution plan chosen by the optimizer using the SQL Explain utility and look for MQT access in the plan.
为了检查查询是否确实被路由到MQT，您可以使用SQLExplain实用程序获得由优化器选择的QueryExecutionPlan，并在计划中查找MQT访问。
In the program run shown in Figure 7, the runtime avoided deadlock by allowing Static2 to access the static Message property of Static1 before the type constructor for Static1 finished execution.
在图7所示的程序运行中，运行库通过允许Static2在Static1的类型构造函数完成执行之前访问Static1的静态Message属性，从而避免了死锁。
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