ResultSet from Stored Procedure

I've read the article at http://osi.oracle.com/~tkyte/ResultSets/index.html but it only shows examples of returning a ResultSet which is a cursor (which itself was from a select)

What I'd like to do is have a result set, then do some manipulations on that data inside the stored procedure itself, then return the modified resultSet. Can anyone give a simple example of this?

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Luciano Belotto
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