I never understood what XML was. What is XML? What can you do with it and what types of jobs could a person get using this skill?
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XML is a modern way to design file formats for your data.
There is something called XHTML which one usage of XML to make webpages.
In addition, using XML, you can define your own file types.
http://en.wikipedia.org/wiki/Xml
well, some people (i dont know why) make webpages with xml. BUT it is usually used to make interface in things…
i would advise not learning xml because it stands right next to pointless.
XML is a simple way of storing information in a (arguably) human readable format.
Take this example:
<object type="dog">
<name>Fluffy</name>
<age>5</age>
<colour>White</color>
</object>
XML – Extensible Markup Language.
It is used as html tags
The difference betweem xml and htnl is :
Xml – meta data Language (for description), uses unicode, can make new language out of it (MathML, ChemML).
html – for presentation.
Now a new method is found for converting the xml data to be stored in database.
The job opportunities:
XML stands for Extensible Markup Language and is used for various things. Mainly, XML is integrated into websites and is used to code things such as RSS news feeds and news tickers. Here is an example of an RSS feed written in XML:
http://articles.moneycentral.msn.com/Feeds/RSS/latestrss.aspx
Right click on that page and hit "View Source." You will see that things are broken up into these custom coding brackets, something like this (this is XML syntax):
<item>
<title>News Article One</title>
<description>This is the first news article of my website!</description>
<link>http://whatever.com</link>
<time>JANUARY 11, 2009</time>
</item>
XML is also used in actual computer programming apart from website coding for things such as custom fonts and creating interface’s.
I hope this clears things up for your confusion… to finalize my answer to all your questions, there are no individual jobs for XML developers. XML coding skills is not a skill as a whole that gets a person a job, it is something that any professional web developer or software developer must know for their job on the side.
It wouldn’t have hurt for you to go on Wikipedia to find all this out! But, sometimes people like humans to give them answers!
Ok, imagine you have 3 different cars all lined up in front of you. A Ford, a Toyota, and a Volvo. All 3 have completely different parts underneath the hood and none of those parts are interchangeable. So if, say the fan belt breaks in the Toyota, you can’t simply replace it with the belt from the Ford. Instead, you have to go to the store and purchase a "Toyota" fan belt….so you think to yourself, "wouldn’t it be nice if all fan belts were interchangeable?"….
The same issue was happening in the computer world. You had all of these different technologies and none were compatible with the other. A java file can’t read a c++ file. A wordperfect file can’t read microsoft word file, etc. So thus, XML was born….
Think of XML as a small database that’s written in a very simple text file. XML does nothing more than pass along the collection of values written within it to an application. The key part of XML is it’s universal. That XML file can be read by a Java desktop application, an asp.net website, a C++ web service, etc. It’s just a file that gets "read" by other applications. There’s no code written within it that actually makes it "do" anything on it’s own….it just contains data.
This skill is for computer programmers, however it’s not a complete programming language such as Java or .NET, so knowing XML alone wouldn’t land you a programming job. As I said, it’s just a basic basic text file written using special XML syntax and is very easy to learn. It is however, pretty much a requirement to know this before you land a programming job nowadays.
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