Review of Short Phrases and Links|
This Review contains major "Schema"- related terms, short phrases and links grouped together in the form of Encyclopedia article.
- A schema is a database-inspired method for specifying constraints on XML documents using an XML-based language.
- A schema is owned by a database user and has the same name as that user.
- XML Schema was created by the W3C to describe the content and structure of XML documents in XML, thus improving on DTDs.
- An XML schema is used to govern the structure and content of an XML document by providing a template for XML documents to follow in order to be valid.
- An XML schema is an XML file that has an.xsd file name extension and uses valid XML objects to describe the contents of XML document.
- To describe the structure and content of XML data, several XML schema languages have been proposed.
- Validates XML data against XML schema when the XML data is stored in the database.
- Given a query, the query optimizer looks at the database schema, the database statistics and the system load at that time.
- For example, query is the SELECT statement that provides the input documents, and xml-schema-name is the two-part SQL identifier of the annotated XML Schema.
- Document Description Markup Language (DDML) - DDML was developed on the XML-dev mailing list, creating a schema language with a subset of DTD functionality.
- As of JDK 1.5, the two most popular JAXP parser implementations, Crimson and Xerces, only support a subset of the available XML schema languages.
- Restricted RELAX NG is a subset of RELAX NG that is sufficient for translations from XML Schema and allows efficient validation of XML graphs.
- The axiom schema is motivated by the idea that whether a class is a set depends only on the cardinality of the class, not on the rank of its elements.
- It generates a set of Java classes from a DTD or XML Schema.
- Most, if not all, XML schema languages do not have any notion of validating a set of attributes; they know only how to validate an XML element.
- If you need entities, you must use a DTD. (Of course, you can use a schema as well as the DTD.) However, schemas are fully capable of declaring attributes.
- On Schema Evolution (from original survey): The schema may be freely extended with new items (types, domains, attributes, entities, relationships etc.).
- Entities, however, were never very popular in the XML community (except among the SGML traditionalists) and thus were completely removed in XML Schema.
- The latest UBL 0.7 release contains schema, sample XML documents, specifications, and documentation.
- Some specifications such as XForms have already created their own subsets of W3C XML Schema Part 2.
- Automatically format an object's data as XML, according to the defined DTD or schema.
- Essentially, a schema is a definition of the format a document should take if it is to satisfy the schema.
- To ensure that all documents used by the application meet the necessary format, an XML schema can be used.
- Metadata are more properly called an ontology or schema when structured into a hierarchical arrangement.
- The ability to store and manage both structured and unstructured data under the same standard W3C XML data model (XML Schema).
- The target namespace of the schema is another URL used in the XML schema.
- The first is the XMLSchema document, the second is the URL which will be used by XML documents which claim to conform to this Schema.
- Once registered, the XML schema can be referenced using its URL.
- This XML schema provides the definition, or vocabulary, of the XML Schema language.
- An XML schema defines the content model (also called a grammar or vocabulary) that its instance documents will represent.
- A DTD is an example of a schema or grammar.
- SCHEMA: XML Schemas are an XML Language for describing and constraining the content of XML Document.
- Unlike many schema languages, TREX limits its scope to describing and validating the structure and content of an XML document.
- A RELAX NG schema specifies a pattern for the structure and content of an XML document.
- XML validation tools are used to analyze the contents of XML documents to make sure they conform to a schema.
- An XML schema can also be used as a constraint when creating tables or columns of XMLType.
- Then when you create XMLType tables and columns, you can specify that these conform to the XML schema you defined and registered with Oracle XML DB.
- Then, when you create XMLType tables and columns, you can specify that these conform to the registered XML schema.
- Constraining the XMLType to an XML schema provides the option of storing the content of the document using structured-storage techniques.
- Since based on XML schema, it is not necessary for Oracle XML DB to store XML tag names when storing the contents of XML documents.
- Transformation can include mapping from one XML schema to another or mapping from XML to some other format such as HTML or WML.
- The second approach for shredding XML data uses annotations in an XML Schema to define the mapping from XML to relational tables and columns.
- In its simplest form, a Namespace Routing Language (NRL) schema consists of a mapping from namespace URIs to schema URIs.
- Oracle XML DB also uses XML schema as a mechanism for defining how the contents of an XMLType should be stored inside the database.
- The W3C XML Schema Recommendation defines a powerful language for defining the contents of an XML document.
- XML Schema provides a standardized way of defining what the expected contents of a set of XML documents should be.
- XML Schema provides the tools for defining the contents of the XML document (semantics).
- XML also separates content from schema, processing, and semantics, thus following the Model-View-Controller (MVC) paradigm prevalent in OO programming.
- In this section, we define the semantics of a correct RELAX NG schema that has been transformed into the simple syntax.
- A command-line tool to transform, or bind, a source XML schema to a set of JAXB content classes in the Java programming language.
- A description of XSet and XSLT goodies that transform it into RDF Schema and other formats.
- XV Schema Converter - Transform your xml schema to various database schema.
- XML Prague 2005 is a free one-day conference devoted to discussion on topics related to core XML technologies; XML, XSLT, Schema, etc.
- The XSL Map is a visual way to create an XSLT to transform between two XML structures defined in XML Schema Definitions.
- XML Stylesheet Language Transformations (XSLT) is a mechanism to convert an XML document from one schema to another.
- XML Schema definition language proposes facilities for describing the structure and constraining the contents of XML 1.0 documents.
- To create a schema for a document, you analyze its structure, defining each structural element as you encounter it.
- An XML Schema Definition defines the structure of an XML document and is used in the editor to validate the XML and help developers when typing.
- The logical schema consists of rules describing the relationship between and properties of elements and attributes in valid XML documents.
- Database systems use a schema to implement both logical and physical data independence.
- Database Schema The logical and physical definition of a database structure.
- A modeling language to define the schema of each database hosted in the DBMS, according to the DBMS data model.
- Just by specifying the schema for a certain language, the editor can assist you in creating a document in that markup language.
- The W3C XML Schema Recommendation defines a standardized language for specifying the structure, content, and certain semantics of a set of XML documents.
- There are several different languages available for specifying an XML schema.
- This specifies that XML documents, compliant with this XML schema are stored in a database table called purchaseorder.
- In next to no time, the reader will be able to create, format, transform, compare, and schema validate XML documents with Oracle's IDE.
- XML documents are compared to rules that are specified in a DTD or schema.
- XML documents are stored into the OODB by automatically mapping the DTD to an object schema.
- The mechanism for associating an XML document with a schema varies according to the schema language.
- This document is an XML document, formatted according to the schema of Section 11.2.
- An XML schema definition (XSD) is an XML document, that is compliant with the vocabulary defined by the "Schema for Schemas".
- In fact, only one parser, Xerces-J, currently supports most of the W3C XML Schema language.
- MOT+ exports an XML schema translated by a parser to produce an LD XML document.
- Validator A processor that checks an XML document against Schema.
- There are links at the end of the XML document, schema, and stylesheet sections that show you how to create the documents using an XML editor.
- An XML editor will examine an XML document to ensure that it conforms to the specifications of the XML schema it is written against - to ensure it is valid.
- As such, the further processing of the bundle file within the XML structure may also be based on the referenced schema.
- The query language used for submitting queries to the bean is based on an XML schema, so it can be passed to the bean as an XML structure.
- XML Schema: Datatypes is part 2 of the specification of the XML Schema language.
- XML Schema: Datatypes is part 2 of a two-part draft of the specification for the XML Schema definition language.
- Part 2 of W3C XML Schema provides a set of datatypes and facets.
- An rdf schema that translates the Standard Application Model for Topic Maps into RDF with the one restriction that all locators must be URIs.
- Many new specifications (XSLT, XML Schema, etc.) have the implicit or explicit requirement that all external identifiers be URIs.
- It's important to understand that unlike XML, XML Schema Definition (XSD), and XSLT, XQuery is a draft and not a recommendation.
- It is perfect for users who need to open XML, DTD, XML Schema, XSLT, XQuery, HTML, and CSS files and perform light-weight editing tasks.
- XQuery has a sophisticated type system based on XML schema datatypes and supports the manipulation of the document nodes unlike XPath.
- This way, you can focus on the semantics of your schema while leaving the syntactical details of the XML Schema language to XMLSpy.
- Figure 3-2 shows the PurchaseOrder XML schema displayed using XMLSpy.
- In both cases, an XML schema is used to validate XML instances to verify that the instances conform to the model that the schema describes.
- InstanceToSchema, a tool to generate a RELAX NG schema from XML instances.
- Easy runtime coupling of an XML instance and schema.
- How to validate an XML Instance with an XML schema.
- For example, our sample XML schema indicates that the Customer element has an attribute called ID, which has a data type of i4 (4-byte integer).
- Document types usually need a formal description, either a DTD or a Schema.
- In Week One, he starts from basic syntax, and discusses XML document structure, document types, and the benefits of XML Schema.
- The Technical Committee plans to support a variety of schema languages and may develop additional modules and derived document types.
- It is based on adding attributes that identify the target XML schema to the root element of the instance document.
- When converted to XML syntax, use of this declaration appends a "ns" attribute to the root element of the schema.
- When an XML schema is registered with Oracle XML DB you can define a default storage table for each root element defined in the XML schema.
- The X-Machine's internal XML parser checks the syntactical correctness of the schema and ensures that incoming XML objects are well-formed.
- An XML document that complies with a particular schema, in addition to being well-formed, is said to be valid.
- Valid documents An XML document that complies with a particular schema, in addition to being well-formed, is said to be valid.
- DAML+OIL only provides a semantic interpretation for those parts of an RDF graph that instantiate the schema defined in daml+oil.daml.
- This is closely equivalent to RDF Schema, or a subset of DAML+OIL. MDL could be extended to handle more expressive ontologies if required.
- XML that follows the XML tag rules listed in the W3C Recommendation for XML 1.0, but doesn't have a DTD or schema.
- XML Schema, published as a W3C Recommendation in May 2001, is one of several XML schema languages.
- In other words, COLLADA is not designed to be a temporary data transport mechanism, but rather to be the schema for the source data for your digital assets.
- COLLADA is a COLLAborative Design Activity for establishing an open standard Digital Asset schema for interactive 3D applications.
- COLLADA defines a standard XML schema for data interchange.
- The declaration of these properties (attributes) and their corresponding semantics are defined in the context of RDF as an RDF schema.
- This third installment of our series looking at the DARPA Agent Markup Language provides a quick reference for concepts from RDF, RDF Schema and DAML.
- MDL defines what a document can mean in terms of a UML class model or RDF Schema, and defines how to extract the meaning, in terms of XPath.
- The semantic web comprises the standards and tools of XML, XML Schema, RDF, RDF Schema and OWL that are organized in the Semantic Web Stack.
- Uses RDF, RDF Schema, and OWL to create ontologies and manage metadata.
- RDF Schema describes the structure of a graph that is serialized in XML in the RDF format.
- Information > Data > Files > Xml
- Encyclopedia of Keywords > Information > Document
- Encyclopedia of Keywords > Information > Data > Database
* Axiom Schema
* Database Schema
* Data Model
* Document Type
* Document Type Definition
* Logical Schema
* Ng Schema
* Oracle Xml Db
* Schematron Schema
* Schematron Schemas
* Schema Validation
* W3C Xml Schema Language
* Xml Dtd
* Xml Namespace
* Xml Namespaces
* Xml Schema
* Xsd Schema
Books about "Schema" in