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Home -> Community -> Usenet -> c.d.o.misc -> Re: query optimization for many to many join
grasp06110 wrote:
> Hi Everybody,
>
> Does anyone have an suggestions on how to optimize a join on data from
> both sides of a many to many relationship? It sees that I can get
> very quick queries for anything on either side of the many to many but
> when a try to join accross the many to many relationship there is no
> way to do it quickly.
Many to many relationships don't belong in a relational design. You need to fix the architecture to use an intersecting entity between them. The alternative is to fight this forever.
-- Daniel A. Morgan University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Thu May 31 2007 - 19:39:55 CDT
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