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Xml Database Example ...

This article describes an application of (a simple subset of) XML that can be used to represent such a database. The description of the database above suggests a simple nesting of fields inside records inside tables inside databases.

Here is an example of a single database with two tables:


<!doctype mydata "http://www.w3.org/mydata">
<mydata>

<authors>
<author>
<name>Robert Roberts</name>
<address>10 Tenth St, Decapolis</address>
<editor>Ella Ellis</editor>
<ms type="blob">ftp://docs/rr-10</ms>
<born>1960/05/26</born>
</author>

<author>
<name>Tom Thomas</name>
<address>2 Second Av, Duo-Duo</address>
<editor>Ella Ellis</editor>
<ms type="blob">ftp://docs/tt-2</ms>
</author>

<author>
<name>Mark Marks</name>
<address>1 Premier, Maintown</address>
<editor>Ella Ellis</editor>
<ms type="blob">ftp://docs/mm-1</ms>
</author>
</authors>

<editors>
<editor>
<name>Ella Ellis</name>
<telephone>7356</telephone>
</editor>
</editors>

</mydata>

If you like to edit XML by hand, with the help of a text editor, you can of course use some pretty-printing to make things easier to recognize.

Here is the example:


<!doctype mydata "http://www.w3.org/mydata">
<mydata>

<AUTHORS>

<author>
<name                >Robert Roberts<          /name>
<address             >10 Tenth St, Decapolis<  /address>
<editor              >Ella Ellis<              /editor>
<ms type="blob"      >ftp://docs/rr-10<        /ms>
</author>

<author>
<name                >Tom Thomas<              /name>
<address             >2 Second Av, Duo-Duo<    /address>
<editor              >Ella Ellis<              /editor>
<ms type="blob"      >ftp://docs/tt-2<         /ms>
</author>

<author>
<name                >Mark Marks<              /name>
<address             >1 Premier, Maintown<     /address>
<editor              >Ella Ellis<              /editor>
<ms type="blob"      >ftp://docs/mm-1<         /ms>
</author>

</AUTHORS>

<EDITORS>

<editor>
<name                >Ella Ellis<              /name>
<telephone           >7356<                    /telephone>
</editor>

</EDITORS>

</mydata>

 Original Source:
http://www.w3.org/XML/RDB.html

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Posted at 11:46:45 am | Permalink | Posted in XmlHttpRequest  

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