In the Oracle world, creating a DB is not something you do often. In most cases you only have a database on the whole server/cluster and all the applications wi

In the Oracle world, creating a DB is not something you do often. In most cases you only have a database on the whole server/cluster and all the applications will use that database instance, being isolated at user/schema level. So that 30 minutes time is not that important actually. Creating pluggable databases (containers) is fast.