Data exchange schemas: You can use schemas like Document Type Definitions (DTDs) and XML Schema (XSD) to define rules and formats for exchanging data between different systems, organizations, and platforms. Industry-specific profiles: Several industries have defined their own XML standards, including...
An XSD is similar to earlier XML schema languages, such as Document Type Definition (DTD), but it is a more powerful alternative as it provides greater control over the XML structure. XML schema details In general, aschemais an abstract representation of an object's characteristics and relation...
Request POST http://example.com/xml HTTP/1.1<mytype>Hello and welcome to my website!</mytype> Response HTTP/1.0 200 OKHello and welcome to my website! XML documents can have a specific type, which can be defined using two standards – XSD and DTD. XML documents defined using a DTD ...
XML可能是最适合存储半结构化的数据了。将不同类别的信息保存在XML的不同的节点中就可以了。 优点:能够灵活的进行扩展,信息进行扩展式只要更改对应的DTD或者XSD就可以了。 缺点:查询效率比较低,要借助XPATH来完成查询统计,随着数据库对XML的支持的提升性能问题有望能够很好的解决。
Multipurpose Internet Mail Extensions (MIME) type is a standard way of describing a data type. The MIME type is passed in the Content-Type header.If you do not specify Co
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XSL-FO is an XML based language. Simple XSLT stylesheets are very easy to get started. Complex XSLT stylesheets are very hard to write. Like Perl scripts, the XSLT processing rules heavily depend on a hidden, and dynamically changing, context. ...
Security levels in Schematron. XMLBlueprint 20 Automatic validation of XML against DTD. Automatic validation of XML against Relax NG Schema. Automatic validation of XML against Schematron. Automatic validation of XML against XSD. Automatic validation of DTD. Automatic validation of Relax NG Schema. Au...
If an XML document is said to be valid against a DTD document type, all elements, attributes and entities in the XML document must meet their declared formats described in the DTD document type. Main features of DTD: DTD is a simple language with only 4 types of statements: DOCTYPE, ELEME...
This section provides a quick introduction of XSD (XML Schema Definition) - a language that can be used to define a schema for XML documents.