How I build XML dynamically?

Hello,
I'm new to JAXP and I have this problem. Perhaps someone can help me:
I have a database. I get data with many select-statements over some tables.
Now I want to get one XML-String/-File with the data. The Problem is, I have to cascade these data.
I have to build dynamically the XML-Tree.
Have someone an example?
Or do you know a good tutorial or website for jaxp?
Thanks!!!

from my database I get an resultSet and no XML-Data.personnaly, i wrote a class that takes every row of the resultset, and add a <row> </row> tags set to a string buffer.
in the <row> tag, I add a <collumnName> tag for each collumn, collumnName corresponding to the real collum name. You can easily get the collum names of an resultset...
This method works fine, but it is important to work with a stringbuffer, because if you make String s+="next" several times, you lose a large amout of time.
For example, a 4500 rows with 2 collums resultset containing string values in the fields makes 40 seconds to be build with the String objects, and 0.1 seconds with a stringbuffer...
Yours, Ga�l.

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Example :--
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With Regards,
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Edited by: LRAJESH on Aug 30, 2010 9:52 AM

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