Tag Archives: Update


It was that hint /*+ BYPASS_UJVC */ that ten years ago already taught me a lesson on how to deal with undocumented hints in productive environments. Admittedly, I still have used it since then for ad hoc data manipulation a few times. Because of a strange behavior in 11gR2 database, I decided to look again at the issue of “one-pass” updates of a join and their alternative using merge sql statement. Continue reading