Solving connection errors with Oracle Database and SQL Developer
Do you have problems connecting with Oracle Database? Do you want to stop/start the services?
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In this video, we will look at the following error messages:
Vendor code 17002: IO Error: The Network Adapter could not establish the connection.
ORA-12514, TNS:listener does not currently know of service required in connect descriptor
We will look at:
lsnrctl status
and
lsnrctl start
We will open the Services, and stop and start the listener and the service.
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