> Let's be clear here-  a DBMS will cache ALL execution
> plans.  The real question really is whether or not the cached 
> plan will ever be used or
> if it will sit around and gather dust until it is evicted
> from cache. 
> (Or worse yet, fill the cache up so other plans are
> evicted)

You are absolutely right.  I was racing out the door when I wrote that. Looking 
over it now, I realize I left out a very important phrase, which is 
"effectively" cache.  Totally different meaning. So thanks for the badly needed 
clarification ;)

-Leigh


    

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