3 relatively identical queries. Can we reuse the intial result set.

I have a report... It has 3 queries.. These queries are basically the same except the group by differ in columns. Each query basically rolls up data into higher level aggragates. The underlying returned record set is the same, just a different group by in each query. Is there a way to get the record set once and reuse it in each query so that I dont have to perform the exact same underlying query over again? I ask because these queries can return 100,000 thousads of rows. There is also a dblink in between the query and the data. I know I can make sql records and use the table() command on a collection of sql records. Is that the only way to do something like that? Would that be efficient? Is there a way to give the result a name and then tell the subsequent queries to reuse the result associated with the name? It just seems very wastefull to perform the same query three times when I could do it once and reuse it.

relatively identicalJust a though, two query are identicals, or are not identical.
If I well understand, you need to aggregate differently the queries results, right ? That means, not only the GROUP BY are differents, but also the SELECT clauses. Do you have queries samples ?
If you are getting the data through a db-link, a way could be to replicate the remote data locally (with in a MVIEW for example), you could save a lot of time to transfer the data over the network only once instead of three times.
Nicolas.

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