Requirement analysis and realization of production query function is introduced.
文中介绍了生产查询功能的需求分析和实现。
In the mysql_query function, you actually execute the query defined in the previous line.
在mysql _ query函数内，实际执行在前一行所定义的查询。
Students can use this system for personal information, test scores and course queries query function.
学生可以通过此系统进行个人信息、考试成绩查询以及课程查询功能。
When the query is redundant, in that all the data needed has been captured, close the query by calling the PdhCloseQuery function.
当查询变得多余时(因为已经收集了全部所需的数据)，就可以通过调用PdhCloseQuery函数来关闭查询。
It offers data transmission and query function, real-time data and history data can be displayed by the requirement of the consumer.
系统提供数据传送及查询功能，可以根据用户要求显示实时数据和历史数据。
Present three auxiliary requirements: collection function of the planning route, route evaluation function, route information query function.
提出了三项辅助功能需求：收藏规划路线功能、路线评价功能、路线信息查询功能。
The system set up has space databases to browse, query function, and the edit, figure maps renovate and decorate, output function of the query result.
建立的系统具有空间数据库浏览、查询检索功能，以及查询检索结果的编辑、数字制图整饰、输出功能。
The research focus on the approach for realizing alternant query function between spaces and property in the application developed based on GIS components.
针对组件式GIS应用系统中普遍关注的空间、属性信息交互查询功能的实现问题展开研究。
One feature that differentiates MongoDB from other document databases is that it is very straightforward to translate SQL statements into MongoDB query function calls.
MongoDB 优于其他文档数据库的一个特性是它很容易将SQL语句转换成 MongoDB查询函数调用。
Introduce a way to merge several system controls into a custom control with class designer by the example of implementing record Pointers locating and query function.
以数据记录指针的定位及查询功能的实现为例，详细介绍了使用类设计器将系统控件组合成用户定义控件的方法。
Those are not the topic of this article, of course, but the important part is that the query function returns an array of rows, each of which is itself represented as an array.
当然，这些内容并不是本文的主题。但是重要之处在于query函数，它用于返回一个行数组，其中每一行本身也表示一个数组。
The development of application software, requiring developer can actualize combination query function of database information. This is one of important indices about software assessment.
应用软件的开发，要求设计人员能够实现数据库信息的组合查询功能，这是软件评价的重要指标之一。
RDBMS is based on firm mathematics set theory with simple and clear data structure, and powerful query function, so it has become the basic technology for realization of information system.
因为RDBMS是建立在严格的数学集合论基础上的，数据结构简单、清晰，具有强大的查询能力，RDBMS成为实现信息系统的基本技术。
Function (1) executes an SQL query on the database.
函数(1)对数据库执行一个SQL查询。
This function can be easily invoked from a simple SQL query.
可以在简单的SQL查询中轻松地调用此函数。
The solution is to have one function that performs one bulk query, as shown below.
解决方案是用一个函数来执行大量的查询，如下所示。
A more powerful function is the dynamic query expression.
另一种更加强大的功能是动态查询表达式。
The query is executed with a success handler and an error handler function.
通过成功处理程序和错误处理程序函数执行查询。
Start by generating the query using the first aggregation function (SUM in the example) in the measure's list of aggregations to aggregate the template expression.
先使用度量的聚合列表中的第一个聚合函数(在这个示例中是SUM)对表达式模板进行聚合，产生一个查询。
When a query references a function template, the query optimizer tries to generate a feasible plan that allows this function reference to be evaluated on the remote data source.
当一个查询引用一个函数模板时，查询优化器尝试生成一个灵活的计划，允许在远程数据源上计算这个函数引用。
The first query employs the LENGTH function.
第一个查询使用length函数。
A way to work around this is to cast the return of the query to a VARCHAR using a cast function.
解决此问题的一种方法是使用转型函数将查询的返回数据转型为VARCHAR。
Using dynamic SQL results in a minor performance hit, but it is much faster than running the same query using a generated ABAP function.
使用动态sql对性能有轻微影响，但是比使用生成的abap函数运行相同查询快得多。
An operation is a business function or query that is provided by a service component.
操作是服务组件提供的业务功能或查询。
This allows an application to create a query that evaluates a database function.
这允许应用程序创建一个计算数据库的查询。
Now, all that's left is to build a function for executing this query.
现在只需要编写一个执行查询的函数。
This is an example query that invokes the REC2XML function.
这个查询示例调用rec2xml函数。
To create the cluster description query subject from the DB2 table function.
为了从db2表函数创建集群描述查询主题，您需要。
To create the cluster description query subject from the DB2 table function.
为了从db2表函数创建集群描述查询主题，您需要。
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