Programmers can work transparently with data from these various sources, relying on DB2 II's global query optimizer to select an efficient data access strategy for such work.
程序员可以透明地使用来自这些不同数据源的数据，并通过DB2II全局查询优化器来选择一个有效的数据访问策略。
When data has an object structure, the trade-offs are reversed: Writing efficient and maintainable code comes at the cost of efficient data access, storage, and scalability.
当数据具有对象结构时，上述关系恰好相反：编写高效的、可维护的代码要以牺牲数据访问、存储和可扩展性方面的高效性为代价。
Index scans are usually the most efficient way to access data, especially when the table is large but the number of qualified rows is small.
一般来说，索引扫描是访问数据的最有效的方法，尤其是表很大但符合条件的行很少的时候。
In addition, the database can have a better understanding of the state of the data it stores, and thereby can produce a more efficient and dynamic access path to the data.
此外，数据库可以更好地理解它存储的数据的状态，从而可以生成到数据的更有效和动态的存取路径。
A change in the data statistics can result in a change in the choice of access plan selected as the most efficient method of accessing the desired data.
数据统计信息中的变化会引起对存取方案的选择发生变化，该存取方案作为访问所期望数据的最有效方法。
In order to get efficient access to data sizes >~1 GB, partitioning should be done along a reasonable key.
为了有效访问大小为 >~1GB 的数据，分区应沿着合理的键进行。
By examining historical price data as mobile-phone coverage was extended down the coast between 1997 and 2001, Mr Jensen was able to show that access to mobile phones made markets much more efficient.
通过考察1997至2001年间，当移动电话的覆盖范围逐渐扩展到这个海岸时的历史价格，詹森先生能够表明手机的到来使市场更有效率。
WebSphere Information Integrator automatically analyzes the costs of various possible data access strategies and selects an efficient one for execution.
DB 2Information Integrator自动分析各种可能的数据访问策略的成本，并选择一个高效策略来执行。
Efficient access of the underlying data.
提高了对底层数据的访问效率。
PerfMBean is designed to allow data access in a more efficient and flexible manner. PerfMBean provides the following means for data access.
PerfMBean被设计为可以以一种更为有效和灵活的方式来进行数据访问。
It provides strongly-typed LINQ data access experience over relational databases, including direct, efficient access to SQL Server.
它在关系数据库之上提供了强类型的LINQ数据访问体验，包括对SQL Server直接高效的访问。
Efficient markets and fair competition depend on access to reliable data and information.
高效的市场和公平的竞争有赖于可靠信息数据的获取。
It provides simple and efficient access to XML with the same levels of security, integrity, and resiliency taken for granted with relational data.
它提供了对XML的简单高效的访问，并为相关数据提供了相同的安全性、完整性和弹性。
In addition, it really helps to be an expert in JDBC and SQL to ensure that your JDBC data access is efficient.
此外，成为一名JDBC和SQL专家的确有助于确保JDBC数据访问的高效性。
For example, with typical page sizes of 8 KB or 16 KB, in-page processing is inherently sequential and less CPU-efficient than random data access.
例如，对于典型的8KB或16 KB的页面，页内处理天性是连续的，CPU效率低于随机数据访问。
Cloud computing, which allows remote access to computing power and data over the Internet, can drive down costs and save energy through more efficient use of hardware and software.
云端运算透过网际网路执行运算能力及资料的远端存取，能透过更有效率地运用硬体及软体，从而降低成本及节省能源。
In order to establish efficient access path, the authors put forward a structure index for XML data, and introduce a method of implementing operations based on structure index.
为了建立高效地访问路径提出了一种XML数据的结构索引，并介绍了利用结构索引实现基本的数据操作的方法。
In order to establish efficient access path, the authors put forward a structure index for XML data, and introduce a method of implementing operations based on.
为了建立高效地访问路径提出了一种XML数据的结构索引，并介绍了利用结构索引实现基本的数据操作的方法。
An ec storage system must be capable of storing a large amount of data in a variety of formats and must provide efficient and effective access to this data.
电子商务存储系统必须能够以各种格式存储大量的数据，而且还必须提供对这些数据的高效与有效的访问。
Cartographer is a simple, efficient object relational mapper engine. It provides rapid access to relational data using lightweight data and factory Java objects.
这是个简单、效的对象-关系映射工具。它使用轻量级数据和工厂对象实现对关系数据的快速访问。
When data has a relational structure, data access, storage, and scalability are very efficient, but writing efficient and maintainable code becomes more difficult.
当数据具有关系结构时，其在数据访问、存储和可扩展性方面会非常高效，但编写高效的、可维护的代码则变得非常困难。
Based on the functions of Roll Up, Drill Down, Slice and Dice, this paper designs and implements the Backward function on the cache of data storage and access, making the system more efficient.
在系统已有的上卷、下挖、切片、切块等功能基础上，提出基于缓存的数据存储和访问机制，设计并实现了回退功能，提高了OLAP查询效率。
Therefore, fast and efficient access to land type of investigation data is particularly important.
因此，快速有效地获取地类调查数据显得尤为重要。
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。
To integrate such data, and provide easy and efficient access to it is highly desirable, yet challenging.
集成这些数据，并提供简便、有效的访问是非常希望的，并且也是一种挑战。
The metadata server does not relate to any data access, and there are paralleled and highly efficient data exchange between users and storage servers.
元数据服务器不涉及任何形式的数据访问，用户与存储服务器之间可以进行高效的并行数据交换。
With widespread application of XML for exchanging and expressing data on the web, efficient storage and access to XML data have become a key problem to be solved urgently.
随着XML日益普遍应用，如何有效地存储和访问XML文档中的数据已成为亟待解决的关键问题。
That aside, indexes on IOTs provide fast and efficient access to the data in the IOT using columns other than the primary key.
为什么用了其他列而不是主键时就可以提供快速和有效的访问数据呢?。
High scalability, most efficient management and transparently access to the dynamically stored data has been the great challenges to a large scale data management system.
其中高适用性的系统结构、高效的管理策略以及透明的动态存储访问成为大规模数据管理系统的重大挑战。
High scalability, most efficient management and transparently access to the dynamically stored data has been the great challenges to a large scale data management system.
其中高适用性的系统结构、高效的管理策略以及透明的动态存储访问成为大规模数据管理系统的重大挑战。
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