The database is the king. But the Client?
Thus, the was born.
This is why killing a JDBC connection with kill -9 can leave an Oracle session orphaned for minutes. The Client never got to whisper the goodbye. Next time you run a report from a BI tool, or log into an ERP system, or swipe your card at a gas station—pause. Somewhere, on a server or a jump box or a container, an Oracle Database Client 19c is running. oracle database client 19c
It has no UI. It writes no logs unless asked. It accepts no glory. The database is the king