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Issue / Error Message: ORA-28001: the password has expired

Scenario: Database connection is failing. You either see this error in application log that is not starting because it is not able to connect to database OR you are using some tools/IDE to connect to database and see the above error Cause: The user database password...

Issue / Error Message: ORA-65096: invalid common user or role name

Scenario: You have installed Oracle database like 18c Express Edition etc and trying create a user or role that throws the above error. Cause: The default configuration is causing this issue. Solution: Either you should follow the proper naming convention as...