How to combine multiple queries!

I know this is pretty basic, but I'm confused. Basically, I need to extract all data for a given entity from a highly normalized database. There are probably 2 dozen tables which contain data for a given entity that must be queried. However, rather than constructing one single query that merges all of the tables together to come up with one huge rowset/row format, how could I query each table seperately and combine the results of each query into one XML file? Can I create a clob with the first query and then append subsequent queries to that clob? Not sure what to do, and I can't find any good examples.
Thanks in advance!

Thanks, but I don't think that's quite what I'm looking for. In a nutshell, this is what I'm doing and this is the problem I'm having:
1. I set a string equal to a query.
2. I use xmlgen.getxml to fetch the xml into a clob.
3. I parse the clob into a DOMDocument.
The problem occurs with multiple queries. If I follow this same process for 5 different queries, then I have 5 instances of a DOMDocument, each holding a different queries XML. Now, can I put them together? I tried xmldom.makeNode for each DOMDocument, but the nodes are associated with the Document from which they came. I tried cloning each node to disassociate from it's Document, but that didn't seem to work. Even if it did, and I got all of the nodes together, I kept getting a java.lang.ClassCastException for trying xmldom.makeDocument for a node. I'm lost. How can I combine the results of multiple queries into a single DOMDocument instance? It was suggested that use xmlgen.getXML to get multiple queries into multiple CLOBS, then essentially combine the CLOBS together, and finally parse into a DOMDocument as a last step, but that doesn't really leverage DOMs capabilities. At this point, I may have to go down that road...

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sum(y), [Fact column]
sum(z), [Fact column]
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column2, [Dim column]
column3, [Dim column]
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column3, [Dim column]
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we5inelgr wrote:
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