How does one verify or start/stop the Oracle listener?
Start Stop Oracle Database Listener in Windows - oracleappshelp.com
Oracle Error: No listener - LISTENER failing to start upon windows startup - Kaysar Iqbal
What Should I Do If I Failed to Enable the Oracle Listen Function?_SAP Cloud_Best Practices_HUAWEI CLOUD SAP on Oracle Installation Best Practice_FAQ_Huawei Cloud
oracle11g - can't start oracle service in windows - Stack Overflow
Create a Listener in Oracle Database 19c - alekciss.com
How to Resolve ORA-12514: TNS:listener does not currently know of service requested in connect - Ed Chen Logic
Checking if Oracle Listener is running on Windows | luiscberrocal
Working with Oracle Listener | IT Training and Consulting – Exforsys
ORA-12541: TNS: no listener in Oracle Database || ORA 12541 || TNS: no listener || Oracle Listener - YouTube
Oracle Listener Setup (Active System) - LifeKeeper for Windows LIVE - 8.7.2