Searching for documents containing particular terms requires looking up indexes that map terms to the documents that contain them.
搜索包含特定词的文件，是需要查询文档索引的，这些索引映射了词与文档的关系。
In accordance with information pyramid and statistic principles, an all round evaluation index system made up of five group indexes is set up.
同时，根据信息金字塔原理和统计学原理设计了一个由五组指标构成的能反映各项环境要素的综合性评价指标体系。
Indexes typically speed up queries, sometimes reducing the time required to execute the query to a fraction of the former elapsed time.
索引很好地加快了查询地速度，有时将执行的时间减少到以前占用时间的一小部分。
As a result, we end up having more tables than we had before, but adding and removing indexes is easy.
结果我们比以前多了很多的表，但添加和删除索引却很容易。
Despite yields of 4% and up, utility indexes lost 28% to 32% in 2008.
尽管收益率在4%以上，公用事业指数2008年下跌了28% - 32%。
Equity indexes are down, commodities are down, and the dollar is up.
股价指数和商品期货指数双双下跌，美元走强。
Break up the secondary indexes into pieces in order to achieve parallelism (see discussion below entitled PIECESIZE).
将辅助索引拆分成数块，以实现并行性(请参阅下面题为PIECESIZE的讨论)。
The traders bet that the ABX, a family of indexes made up of securities backed by subprime mortgages, would fall.
交易员认定ABX(由次级抵押贷款支撑的证券指数)会下跌。
Consider utilizing commands to back up DB2 Content Manager databases and objects residing in /lbosdata and text indexes into the same script.
考虑利用命令将 /lbosdata和文本索引中的DB2ContentManager数据库和对象备份到同一脚本。
Keeping up with your indexes, using eager loading with include, and using polymorphic associations in places instead of inheritance are just three ways you can use to improve your code base.
保留索引、借助include使用热加载和在某些地方使用多态关联代替继承是三种可用来改进代码库的方法。
The phrase "key columns" means the columns that make up the indexes defined on the table.
短语“关键列(key column)”表示构成表上所定义索引的列。
When creating a view on a JSONx document with XMLTABLE, DB2 v9.7 will pick up XML indexes that apply, thus making the query much faster than in previous versions.
当在JSONx文档上创建一个包含XMLTABLE的视图时，DB 2v9.7将选择适用的xml索引，从而让查询更加快。
The most of important filesystem that requires backup is the /lbosdata and Net Search Extender indexes (if any). The following lists the filesystems that require backing up
需要备份的最重要的文件系统就是 /lbosdata和NetSearchExtender索引（若存在）。
Regular relational indexes on the unitID columns of both tables as well as on the manager column in the unit table can help speed up the embedded SQL query.
两个表的unitID列上的常规关系索引以及unit 表的manager列上的常规关系索引有助于提高嵌入式SQL查询的速度。
Reading from the bottom up, you'll note that DB2 used both indexes to quickly retrieve the data requested by our sample application.
从下往上读，您会注意到，DB 2使用了这两个索引来快速地检索我们的样例应用程序所请求的数据。
These indexes take up disk space and processing time on the server when the views are rebuilt.
重新构建视图时，这些索引会占用服务器上的磁盘空间和处理时间。
However in edge use cases, you might want to manually create indexes to speed up certain operations.
但是在边缘用例中，您可能想要手动创建索引，以便加速特定的操作。
Based on the categorization of those search criteria, you come up with a small set of indexes.
基于那些搜索条件的分类，你最终会得到一个小的索引集。
Static files, templates, and code are served from disk, as are the data tables and indexes that make up the database.
静态文件、模板和代码都来自磁盘，组成数据库的数据表和索引也来自磁盘。
Fairly complex indexes can be built up by simply giving objects the right names.
只需给予对象正确的名称，就可以构建相当复杂的索引。
Major indexes have swung up or down on the slightest piece of news, with big rallies following just a day after large declines, and vice versa.
主要指数因零星的消息而上下波动，在一天的大量下跌后出现大的反弹紧随其后，反之亦然。
Suppose a table in an OLTP database already has 6 or 7 indexes. Would I give a thumbs-up to adding another?
假设 OLTP数据库中的一个表已经拥有6 个或7 个索引，我还会赞成再添加一个吗？
The best practice to speed up data roll-in is to ensure that, prior to roll-in, the table being attached has indexes that exactly match all local indexes on the partitioned table.
加速数据滚入的最佳实践是，确保在滚入之前，附加表已具有与已分区表上所有本地索引精确匹配的索引。
In the next section, you will learn how to create indexes to speed up your queries.
在下一节中，您将学习如何创建索引来加速查询。
Indexes can really turbocharge DB2 query performance, but if you put too many on a table, you could end up with response time and throughput going in the wrong direction.
索引的确能增强DB 2查询性能，但如果一个表上放置太多索引，那么最终响应时间和流量将走向错误方向。
When you sign up for a GAE account, you automatically get 200 indexes for free; beyond that, there is a price.
在您注册GAE帐号时，您将自动免费获得 200条索引；除此之外，都要付费。
Creating indexes helps avoid unnecessary table scans and sorts, speeds up frequently executed queries, and ensures uniqueness.
索引的创建有助于避免对表进行不必要的扫描和排序，加速频繁执行的查询以及确保惟一性。
The Dow Jones industrial average rose almost 120 points in early morning trading. Broader indexes were up more than 1 percent as well.
道琼斯工业平均指数开盘上涨120点，几大股指涨幅均超过1%。
Major stock indexes headed into the holiday weekend up about a third from their March lows. Indeed, the Nasdaq was poised to record its 10th increase out of the last 11 weeks.
主要股指在周末假期出现增长，比三月最低点上涨了三分之一，这是纳斯达克综合指数近11周来的第十次增长。
Major stock indexes headed into the holiday weekend up about a third from their March lows. Indeed, the Nasdaq was poised to record its 10th increase out of the last 11 weeks.
主要股指在周末假期出现增长，比三月最低点上涨了三分之一，这是纳斯达克综合指数近11周来的第十次增长。
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