如果您遇到一个需要使用正则表达式函数的实例，则您将很可能要创建用户定义的函数来处理您的要求。
If you come across an instance where you need to use regular expression functions, then you will likely have to create user-defined functions to handle your requirement.
您甚至可能希望创建用户定义的类型以便将确切的所需选项传递到每个函数，这样将允许每个函数的执行使用一组不同的选项。
You may even want to create a user-defined type to pass the exact required options to each of the functions, which would allow each execution of a function to use a different set of options.
该函数接受一个指向用户空间缓冲区的指针、一个指向内存缓冲区的指针、以及一个以字节定义的长度。
This function accepts a pointer to a user space buffer, a pointer to a kernel buffer, and a length defined in bytes.
将几何图形转换成其相应的SVG表示，这是由DB 2数据在一个新的用户定义函数帮助下完成的。
The conversion of geometries to their SVG representation is performed by the DB2 database server with the help of a new user-defined function.
任何使用该库的应用程序都需要这个名称空间声明，因为用户定义的函数必须存在某个名称空间中。
This namespace declaration is required for any application that USES the library since the user-defined function has to be in a certain namespace.
为了指定新任务应该运行的命令，在这里输入在每次运行任务时执行的多个sql语句(以分号分隔)或一个用户定义函数。
In order to specify the command that the new task should run, enter multiple SQL statements separated by semicolons or a user-defined function here which is executed at every task run time.
这个变量指定防护例程调用（比如存储过程或用户定义函数调用）所使用的池的大小（以4KB页为单位）。
This variable specifies the size (in 4 KB pages) of the pool used for fenced routine invocations, such as stored procedure or user-defined function calls.
每次打开或关闭一个标记时，或者每次解析器看到文本时，就用节点或文本的信息回调用户定义的函数。
Every time a tag is opened or closed, or any time the parser sees some text, it makes callbacks to some user-defined functions with the node or text information.
在最后一步，对用户定义函数(UDF)本身求值，以过滤掉所有误判的候选者，即去掉所有不相等的字符串。
In the final step, the user-defined function (UDF) itself is evaluated to filter out all false positive candidates, in other words, remove all non-equal strings.
与编写使用关系数据类型的用户定义函数相比，编写使用XML 的用户定义函数的差异并不大。
Writing user-defined functions that work with XML isn't much different from writing user-defined functions that work with relational data types.
并编写一个简单使用动态sql的SQL用户定义函数(UDF)，转换字符串中传入的公式并计算值。
And writing a simple SQL User Defined Function (UDF) that USES dynamic SQL to convert the formula passed in the string and calculate the value.
这里的业务逻辑是由用户自定义的函数子实现，并且这些函数子只能用在逻辑记录处理的工作上，而不用关心多个处理操作的问题。
The business logic is implemented in user-definable functors that only work on logical record processing and aren't concerned with multiprocessing issues.
然而，如果在浏览器的地址栏编辑了一个错误的文件名，那么error404函数（在前面定义）将向用户通知这一错误。
If, however, a creative and mischievous soul edits a bad file name in his browser's address bar, the error404 function (defined above) will inform the user of it.
清单4显示了一个非常简单的将JSON转换成JSONx的用户定义函数。
Listing 4 illustrates a very simple invocation of the user-defined function that transforms JSON into JSONx.
InfoSphereWarehouse数据挖掘是用DB 2存储过程和用户定义函数构建的，以利用DB 2作为执行环境，从而获得高性能的数据库内执行。
InfoSphere Warehouse data mining is built with DB2 stored procedures and user-defined functions for high-performance in-database execution, taking advantage of DB2 as an execution environment.
XPath不支持函数，但XQuery提供了一批重要的内置函数和运算符，而且还允许用户定义自己的函数。
While XPath doesn't support functions, XQuery provides a substantial collection of built-in functions and operators and also allows users to define functions of their own.
在本系列的下一篇文章中，我们会介绍Vim的内置事件模型，并探索如何建立在用户编辑时自动触发的用户自定义函数。
In the next article in this series, we'll investigate Vim's built-in event model and explore how to set up user-defined functions that trigger automatically as the user edits.
作为一名开发人员，您的任务就是创建实现vti目的函数的访问方法以及必要的额外用户定义例程(udrs)来访问您的外部数据源。
As a developer, your task is to create an access method that implements VTI purpose functions and as many additional user-defined routines (UDRs) as necessary to access your external data source.
发出二进制部署的用户ID在RACF程序控制中没有定义。用于切换用户的_ login函数调用失败。
The user ID that is issuing the binary deploy is not defined to the RACF program control the _login function to switch users failed.
特别是，本系列的下一篇文章将重点考察Vimscript的用户定义函数的特性，以及它们如何改善您的Vim体验。
In particular, the next article in this series will focus on the features of Vimscript's user-defined functions and on the many ways they can make your Vim experience better.
函数索引是根据用户定义例程(User Defined Routine,UDR)返回的值创建的。
A functional index is created on values returned by a User Defined Routine (UDR).
这包括表、别名（nickname）、索引、列和用户定义的函数（UDF）的统计信息。
This includes statistics for tables, nicknames, indexes, columns, and user-defined functions (UDFs).
DB 2UniversalDatabase (DB 2UDB)用户定义函数(user - defined functions,UDF)允许您添加自己的函数定义，从而扩展db2的内置函数。
DB2 Universal Database (DB2 UDB) user-defined functions (UDFs) allow you to extend the built-in functions of DB2 by adding your own function definitions.
函数索引可以指定各种不同的访问方法，包括B -Tree、r - Tree和用户定义的访问方法。
A functional index can specify different access methods that include B-Tree, R-Tree, and user-defined access methods.
另外，也可以将输入(集合解析器)实现为一个用户定义的、更特定的XPath 2.0扩展函数，如下所示。
Alternatively, you might implement the input (collection resolver) as a user defined XPath 2.0 extension function that was more specific like.
清单7用一个名为contains的用户定义函数演示了其中的原理。
Listing 7 demonstrates how this works with a user-defined function named contains.
I4GL_FUNCTION用户定义的惟一的函数名，函数包含为消费Web服务自动生成的代码。
I4GL_FUNCTION Unique user-defined function name containing the auto-generated code to consume a Web service.
Oracle 9.2方法的功能是通过MTK部署到目标数据库的一系列用户定义函数来实现的。
The Oracle 9.2 method functionality is achieved through a series of user-defined functions that MTK deploys to the target database. These six supported UTL_FILE methods are
如何高效地处理说明性查询语言中嵌入的用户自定义函数，是查询优化的一个重要内容。
How to process user defined functions incorporated in declarative query languages efficiently is an important aspect of query optimization.
如何高效地处理说明性查询语言中嵌入的用户自定义函数，是查询优化的一个重要内容。
How to process user defined functions incorporated in declarative query languages efficiently is an important aspect of query optimization.
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