Multitenancy: is a Proxy PDB part of the 3 free PDBs at 19c

Multitenancy: is a Proxy PDB part of the 3 free PDBs at 19c

As most of us know, Oracle Database 19c now supports up to 3 pluggable databases (PDBs) per container database (CDB) without requiring additional multitenant license—applicable for both Standard Edition (SE2) and Enterprise Edition (EE). This documentation clearly states: “For all offerings, if you are not licensed for Oracle Multitenant, then you may have up to 3 user-created PDBs in a given container database at any time.” Meaning it’s about user-created PDBS.

But is a Proxy PDB (in fact a kind of symbolic link in Linux terms) considered user-created, or are you allowed to have 4 PDBs in theory? Once, I attended a presentation of Carajandb (Johannes Ahrends) in Germany, who stated that a Proxy PDB is free to use, based on the 18c documentation.

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Oracle licenses needed while monitoring your (non-)Oracle environment with OEM

Oracle licenses needed while monitoring your (non-)Oracle environment with OEM

With Oracle Enterprise Manager (OEM) you are able to monitor an Oracle environment as well as a non-Oracle environment, like Microsoft’s SQL Server.

You are also able to exchange notifications between Oracle Enterprise Manager and e.g. Microsoft’s SCOM. How to monitor this heterogeneous environment. What licenses do you for monitoring? And.. do you need Oracle licenses when sending notifications by mail? Hold on to this thought.

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