Extension and restriction are both valid methods for a substitution; however, union is not a valid derivation technique according to the XML Schema specification (see Resources).
扩展和限制是替换的两个有效方法。但是，根据XML模式规范，联合并不是有效的派生技术(参阅参考资料)。
The data instance in Listing 7 is valid with this schema and its substitution group extensions.
清单7中的数据实例对这个模式及其替换群扩展是有效的。
However, elements of type string do not appear as mandatory in the form because the schema accepts an empty value as valid input for a string.
但是，由于模式接受空值作为字符串的有效输入，因此，在表单中字符串类型的元素并不显示为必填的。
A schema library is valid if all the files included in the library adhere to the XML schema 2.0 rules, and all references are resolvable.
如果包括在库中的所有文件都坚持XML架构2.0规则则架构库有效，并且可以解析所有引用。
A sample of valid data associated with this schema that USES the generic element extension is in Listing 2.
清单2展示了与这个使用通用元素扩展的模式关联的有效数据的样例。
In addition, if the internal encoding exists and it is not a valid IBM encoding schema, the parser will issue a SQL16168N error message.
另外，如果内部编码虽然存在但却不是一个有效的IBM编码模式，解析器将会发出SQL 16168n错误消息。
This generates a valid XML schema for your particular input file, as shown in Figure 2 (larger image).
这将为您的特定输入文件生成一个有效的XML模式，如图2所示(大图)。
The XML document that is produced needs to be complete in that it contains all the expected data and the document also needs to be valid and match its corresponding schema.
生成的XML文档需要保持完整，因为它包含所有需要的数据，并且该文档必须是有效的并匹配对应的模式。
If the annotated XML schema is deemed valid, mapping information is extracted and stored in catalog tables in a ready-to-use binary format.
如果确认注释XML模式有效，则提取映射信息并把它以可用的二进制格式存储在编目表中。
The XML document that is produced should be complete in that it contains all the expected data and the document should also be valid with respect to its corresponding schema that it must match.
所产生的XML文档应该完整，其中包含所有预期的数据，而且文档应当有效，即相对于对应的模式必须匹配。
Having established that the XML is valid and well-formed, ensure that the content conforms to the XML schema.
在确定XML是有效的并且是格式良好的之后，确保内容遵守XML模式。
There is no need to do anything once the schema is updated as the old documents are still valid.
因为旧文档仍然有效，所以更新模式之后无需再执行任何操作。
Only when you have checked the XML document against a schema and found that it passes will it truly be valid.
只有用模式检查XML文档并且通过之后才能说它是有效的。
As a consequence, the complex type definition in Listing 1 becomes valid in XML Schema 1.1 because the ambiguity between the element declaration and the wildcard no longer exists.
因此，清单1中的复杂类型定义在XMLSchema 1.1中变得有效，因为元素声明和通配符之间的不确定性已不复存在。
Validating that the title and gender elements separately contain valid values is, however, best done using enumerations in XML Schema and is not tested here.
但是，要验证title和gender元素是否分别包含有效的值，最好的做法是使用XML Schema中的枚举。
Using that new schema, the values blUE, blUE, blUE, and blUE are all valid.
使用这个新的模式，值blue、blUE、blUE和blUE都是有效的。
This is clearly a valid restriction, but is invalid in XML Schema 1.0.
这明显是一个有效限制，但是在XML Schema 1.0 中却是无效的。
The XPath expression must be a valid XPath 2.0 expression or at least conform to the minimal XPath subset defined in the XML Schema 1.1 specification.
XPath表达式必须是一个有效的XPath 2.0表达式，或至少遵循X MLSchema 1.1规范定义的最小xpath子集。
In addition, the XML Schema specifications mandate that parsers must ensure that the documents comprising the XML Schema are valid XML Schema documents.
此外，XMLSchema规范要求解析器必须确保组成XML Schema的文档是有效的XML Schema文档。
The document is valid when it conforms to its XML schema.
符合XML模式的文档是有效的。
This schema is valid for an RPC style WSDL definition according to both W3C specifications and WS-I BP and.
根据W3C和WS - IBP，此模式对rpc样式的WSDL定义有效。
The XML document samples provided in the samples folder (see Download) are all valid according to this schema.
Samples文件夹中提供的XML文档示例(见下载)对于这个模式都是有效的。
During server startup, Tivoli Directory server will check that 'attr1' is a valid attribute in its schema.
在服务器启动期间，TivoliDirectoryServer将在其模式中检查' attr1 '是否是有效的属性。
Good: XML Schema enumerations help the user discover the valid values for a particular variable.
好的方法：XMLschema枚举可以帮助用户发现某个特定变量的有效值。
If the annotated XML schema is deemed valid, the mapping information is extracted and stored in catalog tables in a ready-to-use binary format.
如果检查后发现带注释的XML模式有效，那么映射信息将被提取并以即用型(ready - to - use)二进制格式存储在编目表中。
The before trigger and check constraint on a table XML value always ensures that the XML values are valid as per the specified schema.
对一个表XML值应用before trigger和检查约束，往往可以确保 XML值对于指定模式是有效的。
The any element also enables certain scenarios where other unknown content models are valid, and their validation can be handled by the schema associated with that element's namespace content.
any元素也可用于这样的场合：其他未知内容模型是有效的，其验证可由模式和该元素的名称空间内容来处理。
However, a valid schema does not necessarily mean that it is also valid for a particular Web Service Description Language (WSDL) definition.
不过，有效的模式并不一定意味着其对特定的Web服务描述语言(Web Service Description Language,WSDL)定义也有效。
If the pass-through server is running, it will also attempt to check that 'attr2' is a valid attribute in the pass-through server's schema.
如果直通服务器正在运行，它还会尝试' attr2 '是否是直通服务器模式中的有效属性。
Listing 1 is valid against this schema, but Listing 2 is not.
对于这个模式，清单1是有效的，但清单2无效。
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