然后，该页面动作方法利用请求url，以判断数据类型和数据标识符，加载数据，然后导航到适当的模板。
The page action method then mines the request URL to determine the type of data and the data identifier, loads that data, and then navigates to the appropriate template.
和响应于确定所接收到的数据标识符和之前所存储的数据标识符不匹配，确定对象的内容已经改变。
In response to determining that the received data identifier and the previously stored data identifier do not match, it is determined that the content of the object has changed.
要从队列中读取消息(在本例中最终涉及到从文件系统中读取数据，因为我们使用文件系统的JNDI标识符)，使用清单11中的代码。
To read the message from the queue (which in this case ultimately involves reading from the file system since we use the JNDI identifier for the file system), use the code in Listing 11.
当对两个应用程序管理的客户数据进行集成时，两个应用程序中可能存在标识符不彼此匹配的相同客户。
When integrating the customer data managed by the two applications, the same customer can exist in both applications with identifiers that do not match.
在这种情况下，每个KPI都具有唯一的标识符，可以作为访问历史记录数据的键使用。
In this case, each KPI has a unique identifier, which can be used as a key to access the history data.
您是否具有可用于跨多个系统匹配数据的键或标识符？
Do you have keys or identifiers that can be used for data matching across the participating systems?
当然，这些标识符仅相对于所使用的表或数据库是惟一的—其他表或数据库还可以使用它们。
Of course, these identifiers are only unique for the table or database they are used on - they can be reused by other tables and databases.
最常见的惟一的域是一个标识符，它是潜在的数据的键，但是也包括基于文本的描述。
A unique domain is most commonly an identifier, which is a potential key to the data, but also includes text-based descriptions.
最常见的惟一的域是一个标识符，它是潜在的数据的键，但是也包括基于文本的描述。
A unique domain is most commonly an identifier that is a potential key to the data, but also includes text-based descriptions.
结果集是一个数组，该数组由0个或多个与数据库查询相匹配的行组成；结果集标识符只是一个值，您可以将该值传递给其它函数，以使它们能够使用结果集中的行。
A result set is an array consisting of 0 or more rows that match a database query; a result set identifier is simply a value that you pass to other functions to work with the rows in the result set.
它们可以是主键或惟一键，或其他数据元素的标识符。
These are primary or unique keys, identifiers for the other data elements.
业务组件代码必须能够将这个标识符映射到其后端数据中。
The business component code must be able to map this identifier to its back end data.
使用不变的标识符来形式化地址使得数据可以被追踪，而这可能被意想不到的动机所利用。
Using a non-changing identifier to formulate an address allows for tracking of data, which may be used for unintended reasons.
如果没有标识符，我们就没有办法把这个实体表现为元数据。
Without an identifier, there is no way to represent an entity as metadata.
反过来，REFERENCE是一个系统类型，它是任何类型化表的对象标识符的数据类型。
REFERENCE, in turn, is a system type that is the data type of the object identifier column of any typed table.
如果同时对不同网络上的两个数据库执行更新操作，这两个数据库不会同时准确地获取下一个惟一标识符。
If an update operation is made at the same time on two databases on separate networks, they cannot both accurately retrieve the next unique identifier.
大多数系统管理员会创建一个数据库或电子表格，在其中映射和记录必须为所有位置和所有数据中心的所有aix系统生成的数以千计的标识符。
Most choose to create a database or spreadsheet to map and document the hundreds or thousands of identifiers that must be generated for all AIX systems in all locations and all data centers.
在一个真实的实现中，每个事件都将包含某种类型的病人标识符，用于从一个外部数据源查找医生的电子邮件地址。
In a real implementation, each event would include some type of patient identifier that would be used to find the doctor's E-mail address from an external data source.
这个标识符(通常是数据库键)能够作为该url参数之一而生成并发送到客户机。
This identifier, most often a database key, can be generated and sent to the client as one of the URL parameters.
标识符也是中性的语言，有助于跨越语言和社区分享数据。
Identifiers are also language neutral and can facilitate sharing across languages and communities.
这两种数据库的另一个不同点是惟一标识符的储存。
Another difference between these types of databases is in the storage of unique identifiers.
需要这些数据的情况包括对比接口和塔标识符、从名称服务数据库中删除多个绑定等等。
Few situations when this data is needed are when comparing the interface and tower identifiers, when removing multiple bindings from name service database etc.
基于以上所述，可以将附件容器(清单5)实现成包含附件数据源的映射，并以附件标识符唯一识别。
Based on the above, the attachments container (Listing 5) can be implemented as a map that contains attachment data sources and are keyed by attachments identifiers.
如果您来自比较传统的数据库背景，可能会把它们看作资源标识符、属性名称和属性值。
If you're from a more traditional database background, you can think of them as a resource identifier, an attribute name, and an attribute value.
发送方(客户机或服务器)为每一批消息都指定了一个标识符，作为HTTPR的元数据随着批消息发送。
Each batch is assigned an identifier by its sender (either client or server) that is sent along as HTTPR metadata with the batch.
高端内容管理解决方案使用一个数据库，并对每一个文档指定唯一的标识符。
High end content-management solutions work with a database and assign unique identifiers to each document.
我在应用程序中看到的一个问题是，工程师试图将数据库当作编程语言来使用，即通过使用具有逗号分隔的标识符的文本字符串来创建数组。
One problem I've seen with applications is when engineers attempt to use a database as though it were a programming language, creating arrays by using text strings with comma-separated identifiers.
未在常规的RDBMS列中输入该数据导致的问题之一是没有定义任何规则——没有数据类型和NOT NULL标识符等。
One of the problems with not entering this data in regular RDBMS columns is that no rules are defined-no data types, not NULL identifiers and so forth.
系统使用四个键的组合为文档及相关元数据创建惟一标识符。
The system USES a four-key composition to create a unique identifier for a document paired with its metadata.
这包括可搜索的实际内容和几部分元数据(包括惟一资源标识符(uri))，以便惟一地识别稍后检索的行。
This includes the actual content that is searchable and several pieces of metadata, including a unique resource identifier (URI) in order to uniquely identify the row for later retrieval.
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