The update index process can either be done manually using the command shown in Listing 5 or automatically scheduled using a background daemon.
索引更新过程可以使用清单5中的命令手工执行，也可以使用后台守护进程自动执行。
This is an asynchronous process that extracts the text information from the archived objects to update the full-text index.
这是一个异步过程，其作用是从被归档对象中提取文本信息来更新全文本索引。
Your data and the text index need to be explicitly synchronized if no update frequency is specified.
如果没有指定更新频率，那么需要显式地对数据和文本索引进行同步。
It provides methods to add, delete, or update documents in the index.
它提供在索引中添加、删除和更新文档的方法。
The index writer however, is thread safe, so you can update the index while people are searching it.
而索引写者是线程级安全的，所以你能在人们搜索它时更新索引。
This means that you should either load your data prior to creating your index or update the statistics on your table after your data is loaded.
这意味着您应该在创建索引之前加载数据，或者在加载数据之后更新表的统计信息。
When they're found, update the value array with the corresponding index.
找到这些字段之后，用对应的索引更新值数组。
Key generator function to construct index key during INSERT and UPDATE operations.
用于在INSERT和UPDATE操作中构造索引键的键生成器函数。
Manually creating an index is not recommended because the history table is frequently updated and the index could hurt update performance.
并不推荐您手动创建一个索引，因为历史表格会频繁更新，而索引可能会损害更新的性能。
The update processing will determine which objects are new or changed on the system and index the text data for those objects.
更新处理过程会确定系统上的哪些对象是新添加的对象或是已经被修改了，然后索引那些对象的文本数据。
An incremental update of the index will take less time and resources than the creation of the initial index.
索引的增量更新将比初始索引创建需要的时间和资源更少。
The task of synchronizing the text index is called index update and typically follows right after you have created a text index.
对文本索引进行同步的任务称为索引更新，通常在创建文本索引之后立即执行。
The total number of high-affinity connections that are available for indexing must be equal to the number of CPUs that are available on the servers that host the index update service.
可用于索引的高亲和性连接的数量必须等于在托管索引更新服务的服务器上可用的CPU数量。
A view has its index already created when a feed update is requested, so there should not be much impact.
请求提要更新时，视图已经创建其索引，所以影响不大。
During index update processing, the lexical analysis identifies the lemmas of the words in the document, and the analysis adds this information to the text index.
在索引更新过程中，词法分析确定文档中单词的词元。
Update the catalog statistics with the runstats command so that the optimizer can take this newly created index into account.
用runstats命令更新目录统计数据，以便优化器可以考虑这个新创建的索引。
There are three main ways to update the Demo Index database with new documents.
可以通过以下三种主要方式，使用新文档更新DemoIndex数据库。
This means that every time you create, update, or delete a domain class, the Lucene index is updated accordingly.
这就意味着每当您创建、更新或删除一个domain类时，Lucene索引都会相应更新。
An IBM Cognos environment can include multiple instances of the index update service.
IBMCognos环境包括索引更新服务的多个实例。
forcing locate to update the database/index is done with $ sudo updatedb, and it doesn’t take a lot of time
强制更新数据库/索引可使用$sudoupdatedb命令，这也花不了多少时间。
If the tweet ID is not already part of the index, then add it and update the index.
如果tweetID还不是索引的一部分，那么添加它并更新索引。
Each IBM Cognos environment can have multiple index data services, multiple index update services, and multiple index files.
每一个IBMCognos环境都可以有多个索引数据服务、多个索引更新服务和多个索引文件。
The update for the index statistics would fail with a SQL1227N rc=8 error message (in this case) as the FIRSTKEYCARD of the index is greater than CARD of the table.
对于索引统计数据的更新将失败，并发出 SQL1227Nrc=8错误消息（本例中），因为索引的FIRSTKEYCARD大于表的CARD。
An automatic index update can be specified as an index attribute during the index creation or specified later using an alter index command.
自动索引更新可以在创建索引时用索引属性指定，也可以以后使用alterindex命令指定。
The create index command establishes the text index infrastructure by defining the text index attributes, such as update frequency, a document format, an index directory, and so on.
createindex命令定义文本索引属性，比如更新频率、文档格式、索引目录等等，从而建立文本索引基础设施。
The first is thanks to the fact that a Resource is identifiable Compass will update the Resource if it already exists in the index.
第一，由于一个资源是可识别的，Compass在这个资源已经存在的情况下更新它。
When creating an index Update Task, it is possible to add a list of folders to exclude from the index.
在创建Index UpdateTask时，添加一系列文件夹以便从索引中排除它们是有可能的。
The index can be restored back to it's original location as long as there is no currently executing index Update Task.
只要当前不执行Index UpdateTask，索引就可以恢复到其原来的位置。
Based on the expectations of your users you will wish to schedule your index update Task to incrementally update the contents of the index.
基于用户的期望，您将希望安排Index UpdateTask以便增加更新索引内容。
You must update the index to capture all changes.
您必须更新索引以便捕获所有更改。
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