Can Nexus be configured for external database other than PostgreSQL?

Sonatype Nexus Repository
1

Beside PostgreSQL, can we configured to use Oracle?

https://help.sonatype.com/repomanager3/installation-and-upgrades/configuring-nexus-repository-pro-for-h2-or-postgresql

2

No. If you’d like this feature please vote on this idea https://ideas.sonatype.com/ideas/IDEAS-I-1550 to help us better gauge demand when considering future improvements.