XML Resources & tools for XML database project?

Can anyone suggest some resource sites, tools or some good tutorials to 
start learning XML?  I am wanting to create an XML database using HTML 
forms to write into XML code or text to store links and images, then 
make a searchable query tool for web users to find what they need.  I 
really could use a tool as I am very new to the XML language.  Has 
anyone else tried a project similar to this?

I believe it's called Archiving components by writing it to an output 
stream in a form that you can reuse later. Then I can recall it using 
its saved parameters.  I am just not sure how to go about starting this 
and do not want to waste time going down a wrong path.

Looking forward to everyones comments, suggestions and links.



-- 
    Best Regards,
Chris Baker

Web Developer
800.284.7862 x 231
Fax: (318) 865.8324
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<http://www.casaic.com>