udf
美 
英
- 网络用户定义函数(user-defined function)；用户自定义函数(User Defined Functions)；用户定义的函数
例句
Plain XQuery does not allow you to call SQL user defined functions (UDFs) or external UDFs written in C or Java.
普通XQuery不允许您调用SQL用户定义的函数（UDF）或者用C语言或Java编写的外部UDF。
Please note that this function utilizes BIT_OR UDF we wrote to operate on bit-like data type parameters.
注意，该函数使用了我们编写的BIT_ORUDF对类似于位数据类型的参数进行运算。
At this point, I therefore introduce a user defined function (UDF).
这里，我引入了一个用户定义函数（UDF）。
The various external Java routines (UDFs and stored procedures) are in separate threads of that JVM.
不同的外部Java例程（UDF或存储过程）处于JVM的独立线程中。
If the UDF is performance-critical, then creating it as an external UDF in DB2 would make it slow.
如果UDF的性能很重要，在DB2中作为外部UDF创建它会降低性能。
UDFs are widely used in many IT organizations to encapsulate critical business logic and simplify application development requirements.
UDF在许多IT组织内都得到广泛应用，用于封装关键业务逻辑和简化应用程序开发需求。
Can be the object identifier of a procedure, view, indexed, view, or UDF.
可以是过程、视图、索引视图或UDF的对象标识符。
Java modules can be converted into SQL extensions known as user-defined functions (UDFs).
可以将Java模块转换成称为用户定义的函数（UDF）的SQL扩展。
File name: The name of the file used by the UDF for writing the script.
文件名：由UDF用于编写脚本的文件的名称。
The UDF can be used to order query results in a culturally sensitive manner.
这个UDF可以用于以文化敏感的方式对查询结果进行排序。
Or in other words, before the first call is made to the UDF an object of the class is created and kept until after the last call.
或者，换句话说，在第一次调用UDF之前，就创建该类的一个对象，并且一直保留到最后一次调用这个UDF之后。
For data integrity, by convention, unfenced SPs and UDFs should already be thread-safe, but this cannot be enforced.
按照惯例，为确保数据完整性，非隔离SP和UDF应该已经是线程安全的，但是，这不是强制性的。
When a UDF receives a ROW as argument, it can find out the number of columns that are defined, their names, their types and their content.
当一个UDF接收一个ROW参数时，它可以查明已定义的列数、列名、列类型、以及它们的内容。
To resolve the problem, run UDF in an unfenced mode or reduce database shared memory set to no more than 5 segments.
要解决这个问题，可以在unfenced模式下运行UDF，或者将数据库共享内存减少至不多于5个段。
The stored procedure calls the UDF with different parameters, so you can follow different execution paths through the UDF.
该存储过程用不同的参数调用该UDF，以便可以沿不同的执行路径通过该UDF。
The name of the object in the subscription database if the article is a schema-only article, such as stored procedure, view, or UDF.
如果项目是纯架构项目（如存储过程、视图或UDF），则为订阅数据库中的对象名称。
A brief word on UDF: UDF means being able to drop files directly onto the disk.
对UDF的一点简单说明：UDF意味着能够直接将文件放入盘。
Note that when the UDF has been compiled in this manner, it depends on ICU being fully installed on any machine where the UDF will be run.
注意，如果以这种方式编译这个UDF，那么在运行它的任何机器上必须完整地安装ICU。
User defined feature(UDF) and singular feature exchange is the difficult technical point of feature data exchange.
用户自定义特征（UDF）和奇异特征的交换则是特征数据交换的技术难点之一。
Running a non-thread-safe SP or UDF in a multi-threaded process could cause unpredictable problems.
在一个多线程的进程中运行一个非线程安全的SP或UDF会导致不可预测的问题。
This article also offers a set of UDFs that perform bitwise operations between integer arguments.
本文还提供了一组在整型变量之间执行逐位运算的UDF。
Step through the UDF until you exit back to the stored procedure, and continue.
逐句通过该UDF，直到退出该函数回到存储过程，然后继续调试。
Tables, views, indices, RI constraints, user-defined functions (UDFs), and some procedures can be migrated by this tool.
表、视图、索引、RI约束、用户定义的函数（UDF）以及一些过程都可以通过此工具迁移。
Applicable to merge stored procedures, views, and user-defined function (UDF) schema articles only.
只适用于合并存储过程、视图和用户定义函数（UDF）架构项目。
Inline UDF's can be thought of as views that take parameters and can be used in JOINs and other Rowset operations.
可以把内联自定义函数想象成视图，它接受参数，而且可用于JOIN和其他行集操作。
UDFs encourage code reuse, therefore increasing productivity of application developers.
UDF鼓励代码重用，这样可以提高应用程序开发人员的生产率。
The quality of the UDF and procedure migrations depend on the complexity of the source code.
UDF和过程的迁移质量依赖于源代码的复杂性。
UDF and singular feature exchange among heterogeneous CAD systems are researched in this paper.
本文对异构CAD系统之间的用户自定义特征和奇异特征交换进行研究。
Whenever a UDF is introduced into a query, it can hurt the performance of the query.
当在查询中引入UDF时，它会损害查询的性能。
The getAggregateResult UDF (set in italics) needs to decode the binary string and access the correct aggregation object.
getAggregateResultUDF（设置为斜体）需要对二进制串解码，然后访问正确的聚集对象。
Applicable to merge stored procedures, views, and UDF schema articles only.
只适用于合并存储过程、视图和UDF架构项目。
The singleton provides us with the means to store another object that is used for the aggregation done in each UDF in the SQL statement.
单件为我们提供了一种可以将SQL语句中每一个UDF进行聚集计算时需要的数据存储在另外的对象当中的方式。
This example uses an existing User Defined Function (UDF) named ufnGetStock in the AdventureWorks database.
此示例在AdventureWorks数据库中使用一个现有的名为ufnGetStock的用户定义函数（UDF）。
The UDF is independent of the collation specified when the database was created.
这个UDF不受创建数据库时指定的排序次序的影响。
Developers who have written C-UDF or C Stored Procedures in DB2 have learned to check the SQLCA after each EXEC SQL statement in their code.
在DB2中编写C-UDF或C存储过程的开发人员已经学会在其代码的每条EXECSQL语句之后检查SQLCA。
This includes views, stored procedures, user-defined functions (UDFs), and triggers.
这其中包括视图、存储过程、用户定义函数（UDF）和触发器。
It also supports embedded SQL for Java (SQLJ), Java user-defined functions (UDFs), and Java stored procedures.
它还支持嵌入式SQLforJava（SQLJ）、Java用户定义的函数（UDF）和Java存储过程。
With the registration of the UDF I will also introduce a cycle into the management chain.
注册了该UDF之后，我还将在管理链中引入一个循环。
In the first call to the UDF, we need to initialize the groupMap attribute and continue with the usual processing for the normal calls.
第一次调用UDF的时候，需要初始化groupMap属性，然后再继续正常调用过程中的一般性处理。
It is like using a view, but since a UDF can take input parameters, it is like creating the view "on the fly. "
这类似于使用视图，但由于UDF可以采用输入参数，因而更像是在“动态地”创建视图。
