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Ora-12514: tns: the listener currently does not recognize the service requested in the connection descriptor

2022-06-26 08:06:00 【Ghost righteousness II Tiger God】

Newly installed Oracle 19c, After installation , When connecting, you first reported “ No monitor ”, I thought it would be better after solving the problem , Connect again , This error was reported again “ORA-12514: TNS: The listener currently does not recognize the service requested in the connection descriptor ”, Mind blowing up , I want to change back to Oracle 11g.

The final steps are as follows （ All are screenshots ）：

  • find Oracle The built-in configuration tool is used to re align Oracle To configure
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  • The point is to reset the service to orcl
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    Problem solving .
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