DB 29中基于字符的字符串函数。
还了解了代码单元和基于字符的函数的概念。
You also learned about the concept of code units and character-based functions.
如果参数是基于字符的输入参数，那么在单引号中指定字面值。
If the parameter is a character-based input parameter, then you would specify the literal value surrounded in single quotes.
使用基于字符的函数可以解决将字节位置返回为字符位置的问题。
The problem of byte positions being returned for the character positions can be solved using character-based functions.
本文提供的示例使用CLOB，因为操纵基于字符的变量更容易。
This articles USES CLOB in the supplied samples because it is easier to manipulate variables that are character-based in tools.
SQL中基于字符的数据在很多上下文中都与数值有关，如下所述
The character-based data in SQL is associated with numeric values in many contexts, as mentioned below
使用基于字符的函数时不会发生用于构建字符的CODEUNITS分解。
The splitting of CODEUNITS used for making the character does not happen when using character-based functions.
回到命令行和基于字符的菜单时代，那时界面通常间接地为用户提供服务。
Back in the days of command lines and character-based menus, interfaces indirectly offered services to users.
本文向您简要地介绍了DB 2数据服务器中新增的基于字符的字符串函数。
This article provided you with an overview of the new character-based string functions in DB2 Data Server.
Wikis倾向于使用简单的基于字符的标记表示结构，平衡了灵活性和便捷性。
Wikis tend to use simple character-based markup to denote structure, trading off flexibility against convenience. For example, compare the following HTML hypertext links with Wiki markup.
考虑在使用新的基于字符的字符串函数执行字符串操作时可能导致这一状况的常见情形。
Consider some common conditions that can cause such situations while you do string manipulation using the new character-based string functions.
我1983年就进入易用性这个领域了，我的第一个项目是大型机上的基于字符的界面。
I have worked in the usability field since 1983: my first projects were with text-only UIs on mainframe computers.
可以使用基于字符的函数来解决在locate函数中指定起始位置的问题，如图7所示。
The problem with specifying the start in the LOCATE function can be solved using the character-based functions, as shown in Figure 7.
使用基于字符的字符串函数可以解决获取基于CODEUNITS的字符串长度时的问题。
The character-based string functions can be used to solve the problem of getting the length of string in terms of CODEUNITS.
它会将普通的基于字符的状态表示形式从url转换为层次结构对象表示形式(上面介绍的文档模型)。
It transforms the flat, character-based state representation from the URL into a hierarchical object representation (the document model introduced above).
这使该公司可以快速将现有的基于字符的屏幕界面转换为网页和表单，从而将Web通道用于其遗留应用程序。
This has enabled the company to quickly transform existing character-based screen as Web pages and forms and thereby use the Web channel with its legacy applications.
在很多情形下，您需要根据代码单元计算的字符串长度，可以使用基于字符的函数来获取根据字符串单元计算的字符串长度。
In many situations, you need the string length in terms of code units, the character-based functions could be used to find the length of the string in terms of string units.
如果采用特殊编码的某个字符的长度跨越了多个字节，则基于字符的字符串函数可以将每个字符处理为一个单元而不是一个字节序列。
If a character in a particular encoding spans multiple bytes, the character-based string functions can process each character as a single unit as opposed to a sequence of bytes.
HATS：使用HATS创建Web和副客户机应用程序，该应用程序为基于字符的3270和5250主机应用程序提供一个GUI。
HATS: Use HATS to create Web and rich-client applications that provide a GUI for character-based 3270 and 5250 host applications.
IBMRationalBusinessDeveloper包含了支持开发基于字符的5250对话框和相关业务逻辑的工具。
IBM Rational business Developer includes tools to support the development of 5250 character-based dialogs and relative business logic.
IBMWebSphereHostAccessTransformationServices (HATS)能帮助您为基于字符的3270和5250主机应用程序创建一个简便易用的图形用户界面(GUI)。
IBM WebSphere host Access Transformation Services (HATS) helps you create an easy-to-use graphical user interface (GUI) for your character-based 3270 and 5250 host applications.
要知道甚至这个测试都有缺点，因为它假定短语包括空格并且可以自动换行；但对于一些基于非拉丁字符的语言，情况并非如此。
Recognize that even this test has a weakness, since it assumes that phrases will include spaces and can word wrap; this is not true for some non-Latin character-based languages.
如果将字符串存储在DB 2数据库的VARCHAR或char类型的列中，那么就常常需要在这些字符串上应用基于内容的谓词。
If you store strings in columns of type VARCHAR or CHAR in a DB2 database, you often have the need to apply content-based predicates on those strings.
在执行这个操作时，要复制的字符的数目通常是基于源字符串的相关信息来计算的。
When doing that, the number of characters to be copied is usually computed based on information about the source string.
所有数据，包括动态sql语句、用户输入数据、用户输出数据以及SQLCA中的字符字段，都是基于该代码页进行解释的。
All data, including dynamic SQL statements, user input data, user output data, and character fields in the SQLCA, is interpreted based on this code page.
这将允许使用简单的字符串替换来创建基于用户名的服务url。
This allows us to use simple string substitution to create a service URL based on a username.
因为如果服务器或路由器并不是基于识别含这些字符的网址所建立的，那么这些域名将不会为全世界所识别。
If servers or routers aren't set up to recognise the characters in these addresses, the domain names will not be readily accessible from all parts of the world.
为了改进可用性，在选择要使用的目录时，所显示的名称将基于可读的字符串，而不是早期版本中使用的JNDI名称。
To improve usability, the names displayed when selecting which directory to use are based on human readable strings, rather than JNDI names used in previous versions.
其他编程语言使用特殊的字符来区分代码块，比如基于C的语言中的花括号({和})。
Other programming languages use special characters to distinguish blocks of code, like the curly brace characters ({and}) in C-based languages.
如果在基于字符串的查询谓词周围使用双引号，而不是单引号，就会收到语法错误。
If you use double quotes around your string-based query predicate, instead of pairs of single quotes, you'll get a syntax error.
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