how do i clear oracle execution plan cache for benchmarking?

Question

On oracle 10gr2, i have several sql queries that i am comparing performance, but after first run, the v$sql table has the execution plan stored for caching, so for one of th

Answer 1

It's been a while since I worked with Oracle, but I believe execution plans are cached in the shared pool. Try this:

alter system flush shared_pool;

The buffer cache is where Oracle stores recently used data in order to minimize disk io.