No, it's not a union all. Generally v$ is a gv$ with an added predicate "where inst_id = USERENV('Instance')" See v$fixed_view_definition for details. On 4/12/07, Ethan Post <post.ethan@xxxxxxxxx> wrote:
Is it a safe assumption (in every case) to assume that every GV$ view is just a union all of the underlying V$ views?
-- Alexander Fatkulin -- //www.freelists.org/webpage/oracle-l