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>
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