The Total solution for NCERT class 6-12
1. Comparing XML andSGML
XML
SGML
XML is a markup language.
SGML is a meta language used to define and describe generic markup language.
It does not include complex and optional features of SGML.
It is complex and requires overheads to use it.
XML allows creation of new ┬аtags to describe and present ┬аyour data.
It is an ISO standard for specifying a set of tags,
XML allows data validation.
SGML does not allow data validation.
It describes the data and transfers data between applications.
It allows you to define and create platform-independent files.
2. Comparing HTML andXML
HTML
HTML tags are predefined.
XML tags are not predefined.
HTML is case insensitive.
XML is case sensitive.
HTML is markup language that creates the form and appearance of the Web page.
XML is neither a programming nor a presentation language.
3. Comparing EDI andXML
EDI
EDI (Electronic Data Interchange) is a collection of standards, formats and file layout.
XML is an emerging standard designed to simplify Web-based E-Commerce transactions between computer application.
EDI enables highly secure document exchanges.
XML document typically needs to be encrypted to maintain security level.
EDI documents are sent via private and relatively expensive Value Added Networks (VANs).
XML documents are generally sent via the Internet.
EDI does not processes low transaction values.
XML processes relatively low transaction values.
EDI allows companies to exchange electronic documents quickly between their trading partners.
XML allows you to create custom tags to present your document in a structured format.
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