Import user defined types (signal parameters).
导入定义类型的用户(信号参数)。
A functional index can be created on user defined types.
函数索引可以根据用户定义的类型创建。
It may optionally support user defined types, which can greatly simplify the required expressions.
作为可选项，也有可能支持用户自定义类型，这将极大的简化所要求的表达式。
This is an example of employing user defined data types in SOAP requests.
这是一个在SOAP请求中使用用户定义数据类型的示例。
Others can be defined by the user, by extending or restricting the basic types.
其他的可由用户通过对基本类型进行扩展或限制进行定义。
Data model extensibility for new data types, and support for system and user defined metadata.
针对新数据类型的数据模型扩展性，支持系统和用户所定义的元数据。
The field types, options, default values, field orders, and so on are defined by the user to attach a custom form of data elements to the document.
字段类型、选项、默认值和字段顺序等都由用户定义，从而为文档添加定制的数据元素。
Goals SOAP extends XML-RPC by implementing user defined data types, the ability to specify the recipient, message specific processing control, and other features.
目标SOAP可实现用户定义的数据类型，提供指定接收者的功能、消息特定的处理控制以及其他功能，从而对XML - RPC进行了扩展。
Sequences may contain elements of all types whether fundamental types or user-defined.
序列可以包含所有类型的元素，不管是基本类型还是用户定义的类型。
There are two defined key types: keyring and user.
有两种预定义的密钥类型：keyring和user。
One thing to be aware of regarding DB2 index extensions is the requirement for user-defined types - either distinct types or structured types.
对于DB 2索引扩展要注意的一点是对用户定义类型的需求—distinct类型或结构化类型。
Common problems it can fix include replacing text columns with varChar (Max) and converting user-defined types to their base types.
向导能修复的一些常见问题有：使用varChar (max)替换text列、将用户自定义类型转换为基类型等。
The attribute types can be basic (for example, Integer, String) or complex data types (for example, the user-defined types like Order and CreditCard).
可以将属性类型定为基本类型(例如，Integer或String)或复杂数据类型(例如，用户定义的类型，如Order和CreditCard)。
(The examples in this article to this point have been user-defined simple types (see ProductCode)).
(到目前为止本文中的例子都是用户定义的简单类型，比如productCode)。
The union member can be any type, including user-defined complex types.
联合成员可以是任何类型，包括用户定义的复杂类型。
You are also able to specify data types for variables, input parameters, return values from functions, user-defined functions and templates.
你可以可以为变量指明数据类型，输入参数，来自函数的返回值，用户自定义函数以及模板。
Finally, I briefly covered the topic of user-defined data types, which is an advanced topic that needs detailed study.
最后，我简述了用户定义数据类型的主题，它是一个需要我们仔细学习的高级主题。
In the next part of this series of articles, you will see more examples of user-defined data types.
在此系列文章的下一部分，您会学习更多的用户定义数据类型示例。
Exceptions cannot be used as data members of user-defined types.
异常不能当作用户定义类型的数据成员使用。
For example, tables may depend on user-defined distinct types; check constraints depend on functions; views depend on views, aliases, and functions; and so on.
例如，表可能依赖于用户定义的不同类型；检查约束依赖于函数；视图依赖于视图、别名和函数；等等。
These attributes are either added directly by primitive XSD data types or associated by other types defined in user-specific schemas.
这些属性要么直接由原始XSD数据类型添加，要么与特定用户模式之中定义的其他类型相联系。
Both types of sequences may contain no elements, user-defined types, or they may contain other sequences.
这两种序列都可以不包含元素、用户定义的类型，但可以包含其它序列。
The second major element that SOAP brings to the table is a simple means of encoding user-defined data types.
soap带给表的第二个主要元素是编码用户定义的数据类型的简单方式。
We can process both types of exceptions, the threshold exceptions that are user-defined and the event exceptions for deadlocks.
我们可以处理两种类型的异常：用户定义的阈值异常和针对死锁的事件异常。
Writing user-defined functions that work with XML isn't much different from writing user-defined functions that work with relational data types.
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。
So as you can see, the business user defines the requirements of what they want and in most cases it extends beyond the standard pre-defined types that are in RDA.
所以，业务用户定义他们的需求；而且在大多数情况下，这些术语超出了RDA中标准预定义类型的范围。
You can use the system catalog views to easily retrieve information about user-defined data types or routines. For example
可以使用系统编目视图来轻松地检索关于用户定义数据类型或例程的信息。
The three most prominent data structures in Haskell are tuples, lists, and user-defined types.
Haskell中最突出的三种数据结构是：tuple、列表(list)和用户定义的类型。
A database object can have zero to many (0.. n) schemas, and a schema can have zero to many (0.. n) tables, indexes, user-defined types, routines, and so on.
每个数据库对象有0到多个(0. .n)模式，每个模式可以有0到多个(0 . . n)表、索引、用户定义类型和例程等。
A database object can have zero to many (0.. n) schemas, and a schema can have zero to many (0.. n) tables, indexes, user-defined types, routines, and so on.
每个数据库对象有0到多个(0. .n)模式，每个模式可以有0到多个(0 . . n)表、索引、用户定义类型和例程等。
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