Database - is an integrated collection of logically related records or files.
The Extensible Markup Language (XML) is descriptively identified in the XML 1.0 W3C Recommendation as "an extremely simple dialect [or 'subset'] of SGML" the goal of which "is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML," for which reason "XML has been designed for ease of implementation, and for interoperability with both SGML and HTML." Note that the "HTML" referenced in the preceding sentence (bis) means HTML 4.0 and 3.2 which were in common use as of 10-February-1998, when the XML 1.0 specification was published as a W3C Recommendation.
In single sentence, it is repository of integrated information which can be available for queries and analysis.2. Business Intelligence is also known as DSS – Decision support system which refers to the technologies, application and practices for the collection, integration and analysis of the business related information or data.
Even, it helps to see the data on the information itself.3. Dimension table is a table which contain attributes of measurements stored in fact tables.
The next version of 'HTML' is expected to be reformulated as an XML application, so that it will be based upon XML rather than upon SGML.
As of December 1998, 'Voyager' was the W3C code name for HTML reformulated as an application of XML.