Hi Thomas, to my understanding, there is ONE master key for TDE in 12c.
Marc MILLAS Senior Architect +33607850334 www.mokadb.com On Sun, May 21, 2023 at 9:47 PM Thomas Kellerer <sham...@gmx.net> wrote: > > Marc Millas schrieb am 21.05.2023 um 13:13: > > Oracle have One (1) DB per instance (in Oracle its not named a cluster > as...there is only one !). So ... > > Oracle can have multiple (pluggable) databases per instance since Oracle 12 > > > >