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What is XML and its usage?

Updated: 8/19/2019
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The term XML is an acronym that stands for eXtensible Markup Language. XML is a markup language following the current DOM (Document Object Model) put forth by the W3C (World Wide Web Consortium). Similar to HTML (HyperText Markup Language), it uses angle-bracket tags to define data structures, which can be nested. The major difference between XML and HTML is that XML has no predefined tags, meaning that it defines tags as they are used. Because of this, XML is most widely used for data storage, transmission, and formatting in web applications, often in conjunction with a server-side scripting language such as PHP, or in a design methodology called AJAX (Asynchronous Javascript and XML) wherein Javascript code on the client side can request data from the server in the form of an XMLHTTPRequest, so that it can pull new data from the server to update the page, without having to download and re-render the entire document every time a change is made.

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What is client side usage in xml?

XML does not have the concept of client-side/server-side.


What are xml training courses used for?

XML training courses are used to teach people how to apply XML in software. It's an enhanced version of HTML that has seen heavy usage recently, especially in cell phones.


What is difference between XML and valid xml?

You can compare this with English usage. I can say to you, "Jeet yet?" and you would probably understand me to mean, "Did you eat yet?" One of these sentences is valid English, the other is questionable. In the same way you can write valid XML and you can write XML with numerous imperfections. Many XML language processors are capable of understanding both. However, it's safer to write valid XML.


What are the xml tools?

That depends on what you want to do, xml tools include; xml parsers xml validators xml editors xml schema editors xml code generators


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Source code of xml?

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How do you create a XML file from Scratch?

it is the same way to create xml file by converting into txt you have to use the correct xml syntax ie <xml> this is to denote strat of xml file and this </xml> denotes end of xml file. You have to use the right xml code or your xml file wont be valid or well formed.


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If you open the xml in most web browser it will state an error code denoting the type of malformation of the xml. you can use an xml tool like an xml editor to validate and correct your xml.


How do you convert a XML to DTD?

If you use an xml tool like liquid xml studio or any other xml tool you will be able to convert your xml into an xsd or dtd.


What is xml schema?

XML Schema is an XML-based alternative to DTD.An XML schema describes the structure of an XML document.The XML Schema language is also referred to as XML Schema Definition (XSD).An XML schema is a description of a type of XML document, typically expressed in terms of constraints on the structure and content of documents of that type, above and beyond the basic syntactical constraints imposed by XML itself.


What is the difference between xslt and xml?

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What is the difference between a well formed XML document and a Valid XML document?

Well-formed XML means that the XML is correct (it has only one root node, and all elements match an end element tag)Valid XML means that the XML can be validated to an XML Schema or DTD, and that all the tags in the XML are also in the Schema or DTD, and in the right place.