PSU or BP? Patch Set Update or Bundle Patch? RUR or RU?

Well, in my new role as unofficial Junior Product Manager for Patching (just kidding) I get asked once a day (at least!) via email or in customer meetings or workshops: Should we take the PSUs or the BPs? Or RUs or RURs? Addition: I updated the blog post due to the arrival of the RUs and RURs in Oracle Database 12.2.0.1.Changes are marked in orange. See. https://mikedietrichde.com/2017/07/19/first-ru-oracle-12-2-0-1-available/ Should we take the PSUs or the BPs? RURs or RUs? PSUs are Patch Set Updates, BPs are (sometimes called: Proactive) Bundle Patches. RUs are Release Upgrades which replace the BPs in Oracle…