这个类别除了提供资源元件中简单索引键侦测的通用基底类别外，不提供任何其他功能。
This class provides no functionality except to supply a common base class for simple key detection in resource components.
不过，虽然我认为预定的索引很酷，但这个简单的函数并没有费心去实现它。
However, even though I recognize the coolness of predictive indexing, my simple function does not bother implementing it.
在这种情况下，任何索引的第一行，不管简单或复杂，都是满足星型联接的一个候选者。
In this case, the first column of any index, simple or compound, is a candidate to satisfy the star join.
可能受到这种程度影响的服务的一个示例就是对具有良好索引的关系数据库进行简单的查询，在这里服务实现做了最小的处理。
An example of such a service that could be impacted to this degree is a simple inquiry into a well-indexed relation database where the service implementation does minimal processing.
如果您的服务是对一个具有良好索引的数据库的简单查询，花费少于100毫秒的时间，那么您将看到这两个选择之间巨大的差异。
If your services are doing simple inquiries into a well-indexed database that take less than 100 milliseconds, then you will see a big difference between the two choices.
所有这些输出的数据对组成了一个简单的反向索引。
如果想知道您的站点上有多少页面进入了索引，那么先做个简单的测试。
If you're anxious to know how well your Web site is indexed, start with a simple test.
用简单工具，譬如索引卡和白板。
另一方面，数据库是一个容 易做一些简单改变（添加一个索引，稍稍修改一个查询）并看到巨大性能改善的地方。
The database, on the other hand, is an easy place to make a few simple changes (add an index, change a query slightly) and see tremendous performance improvements.
本节描述一种简单的通过使用索引扩展创建反向文本索引的机制。
This section describes a simple mechanism for creating an inverted text index by using index extensions.
显然这并不像使用一个单一索引的有序列表那样简单，但是它可以做到。
Obviously, this is not as trivial as using a single index's ordered list, but it can be done.
这听起来好像有一大堆的条件，但还是比较简单的：通过使用列可以找到索引，通过使用函数可以知道空间谓词。
This sounds like a lot of conditions, but so far it is straightforward: using the column, the index can be found and the spatial predicate is known using the function.
更糟的是，GAE没有提供简单的方式来删除不再使用的索引。
Making matters worse, GAE provides no easy way to delete indexes that are no longer in use.
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。
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.
简单的数据库端问题，比如磁盘变慢或索引丢失，常常是引起问题的真正原因。
Simple database-side problems such slow disks or missing indices can be the actual culprit.
由于支持使用索引和日志选项，它的调优任务也比DGTT更加简单。
It can also simplify tuning over DGTT because of supported use of indexes and logging options.
它让DB 2使用索引来立即查找满足where子句中的两个简单谓词的行。
It lets DB2 use the index to immediately look up the row or rows that satisfy the two simple predicates in the WHERE clause.
通过阅读这篇文章，希望你能对Lucene的索引机制有所了解，并且你会发现利用Lucene创建索引是非常简单的事情。
Upon reading this article, I hope you've gained an understanding of Lucene's indexing system and will find it easy to create an index using Lucene's API.
Amazon的SimpleDB是一个基于云的快速而简单的数据库，它可以提供索引、存储及访问。
Amazon's SimpleDB is a fast and simple cloud-based database which provides indexing, storage, and access.
这个表很简单，它从索引号 $limit_start开始遍历图片列表。
This basic table simply loops through our list of images starting at index number $limit_start.
Ruby散列表(或关联数组)是一种数据结构，允许您定义用于存储的键(而不是简单的数值索引)。
A Ruby hash (or associative array) is a data structure that allows you to define the key for storage (instead of a simple numerical index).
例如，清单5显示的简单应用程序就使用其索引调用了sys_getjiffies。
For example, the short application shown in Listing 5 calls your sys_getjiffies using its index.
由于一些内部修改，导致应用需要重新创建索引(reindex)，但总体来说，升级过程相当简单。
A reindex is also needed due to internal changes, but overall the upgrade process should be fairly simple.
如果把索引中的注释减少为更简单的内容(如1we4)，则将把索引减少到23个字符并加上实际字符串字符总数33等于56。
If you reduce the annotation in the index to something simpler like 1we4, you reduce the index to 23 characters and you add that to the actual string character total of 33, resulting in 56.
该目录结构非常简单：有一个索引页面和连接到bridge目录的fabridge脚本。
The directory structure is straightforward: You just have an index page and the FABridge scripts hooked into their own directory named bridge.
您的邮箱是一个简单的平面（连续的、非索引的）文件（除非您的系统管理员正在使用 maildir格式）。
Your mailbox is simply a flat (contiguous, non-indexed) file (unless your systems administrator is using the maildir format).
编制数据索引的第一步是让数据变成一个简单的文本格式。
The first step in indexing data is to make it available in simple text format.
使用上面描述的LDAP搜索引擎(连同有效的评分和简单搜索建议)，您可在企业内拥有很多集成选择。
With the LDAP search engine described above, complete with effective scoring and simple search Suggestions, you have many options for integration within the enterprise.
所以，与简单地优化索引相比，这里的设计决策更加复杂。对这些特性的使用必须加以协调，才能将性能发挥到极至。
So, design decisions are more complicated than simply optimizing indexes; the use of these multiple features must be coordinated to achieve full potential performance.
在本文中，您要遵循构建简单搜索引擎的流程，而后再为该引擎构建即时搜索用户界面。
In this article, you follow the process of building a simple search engine and then build an instant search user interface for that engine.
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