DBID in v$containers
I found that different databases (all 19.16 on Solaris Sparc64) have this: for Root, Seed and PDB container, I find exactly the same DBID in v$containers for all databases (3 of them) that are copied from 1 Production database. I'm not sure how they are copied, but the point is: shouldn't those ID's just be different, any way you "copy" a database ? Shouldn't it be technically impossible even, to end up with the same DBID ?
I thought that was,but it doesn't seem to be ..