In this example, if you execute the same query two times, you receive a reference to the same object in memory every time.
在这个范例中，如果执行相同的查询两次，则每次都会接收到记忆体中相同物件的参考。
Because I allow both a method call and a property call to work as a definition query, I must write at least two tests in Listing 14.
因为我同时允许让方法调用和属性调用作为定义查询，因此在清单14中必须编写至少两个测试。
At a large retailer, adding a missing index to a small, 2,000-row table in an 8 TB warehouse reduced the elapsed time of a critical decision support query from three hours to two minutes.
在一家大型零售商的8TB数据仓库中，在一个2,000行的小表上添加一个索引之后，一个决策支持查询花费的时间从三小时一下降到了两分钟。
Query interfaces: The query interfaces consist of two models.
查询接口：查询接口由两个模型组成。
The result of this query (at the time of writing, at least) is two version texts printed directly after each other.
查询结果(至少在本文撰写之时)是两个版本的文字，直接显示在彼此之后。
There are two steps or functions involved in working with advanced query statistics.
使用高级查询统计有两个步骤，或者说是两个功能。
Looking at the above application code, we note that the PHP code is reduced to two lines, while the database query contains most of the logic.
查看上面的应用程序代码，我们注意到PHP代码减少为两行，而数据库查询包含大部分逻辑。
This article has explored some common database functions such as updating a database, displaying query results, joining two tables together, and filtering the results using various filter conditions.
本文已经开发了一些普通的数据库功能，例如：更新一个数据库、显示查询结果、连接两个数据表、以及使用不同的过滤条件筛选结果等。
The specification can be given in two forms, either as a complete query string, or just the name of the task.
可以按以下两种形式提供规范：作为完整的查询字符串，或仅作为任务的名称。
Data that passes through a message queuing infrastructure can be broadly separated into two categories: query and business-critical.
通过消息队列基础设施的数据可以大致分为两类：查询和业务关键型数据。
Two aspects of this query are worth noting.
该查询有两个方面值得注意。
Collocation between two joined tables in a query means that the matching rows of the two tables always reside in the same database partition.
一个查询内的两个合并表之间的并置意味着两个表的匹配行将总是处于相同的数据库分区内。
This parser assumes that an application can split up the user input ahead of time into two parts: the keyword query and the spatial query.
这个解析器假设应用程序能够提前将用户输入分成两部分：关键字查询和空间查询。
Two aspects of this query deserve some explanation.
这个查询有两个方面要解释一下。
These will be the only two attributes returned from the database by this query.
该查询只从数据库中返回这两个属性。
The next two columns represent the query execution time in seconds when MQTs are disabled and when MQTs are enabled.
下两列表示禁用MQT和启用MQT时以秒为单位的查询执行时间。
The cache caches the results of any particular query for two hours.
任何查询结果都能缓存两个小时。
This query will return documents containing one or two words, but not always both.
此查询会返回包含一个或两个单词的文档，但并不总是会返回同时包含这两个单词的文档。
While the average search query is still around two words long, queries that are longer than four words have become increasingly popular over the last twelve months.
平均而言，两个单词为主的关键依然最多，但是四个单词以上的关键词在过去一年当中越来越多。
First, we identified two module-level learning objectives for the Query Monitor course.
首先，我们为QueryMonitor课程确定了两个模块级的学习目标。
The staff query result refresh is controlled by two parameters
人员查询结果刷新是通过以下两个参数控制的
For your report, you need two query subjects in the Cognos project that you then join to obtain a textual description for each outlier.
对于这个报告，Cognos项目中需要两个查询主题，然后通过连接它们获得每个离群值的文本描述。
The Dynamic Query Mode only has two major components, the transformation layer, and the execution layer, although there are supporting components like the metadata framework etc.
DynamicQueryMode仅有两个主要组件，transformationlayer和execution layer，不过还有元数据框架等配套组件。
The hierarchical query clause consists of two portions.
分级查询子句由两部分组成。
The two tables involved in the query have been renamed by DB2 to
查询中涉及到的两个表被DB2重命名为
There are two reasons for why query tuning may still be required.
为什么还需要查询调优，有两个理由。
These two query restrictions are combined in this query by using the Boolean AND operator.
可以通过使用Boolean AND操作符将这两个查询限制组合在该查询中。
Start by changing the single query to two queries, with the outside query looping through each user see Listing 6.
首先将单个的查询变为两个查询，用outside查询在每个用户间进行循环。
You can interact with the Registry and Repository query interface in two ways.
您可以通过两种方式与Registry andRepository查询界面交互。
Table and use an AS clause to name these columns for the display with the ij tool. Because the query joins these two tables (by using an implicit inner join), you can select columns from both tables.
因为查询(通过使用隐式内连接)将两个表连接，您可以从两个表中选择列。
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