ORA-12154 error indicates that the database does not recognize the connection identifier. Common causes include typographical errors, non-existent connection identifiers, insufficient permissions, database unavailability, or network problems. Solutions include checking the connection identifier, confirming the connection identifier, checking permissions, checking database status, and checking network connectivity. If the above steps do not resolve the issue, contact your database administrator for assistance.
ORA-12154: The specified connection identifier cannot be resolved
This error message ORA-12154 indicates that the database cannot Identify the connection identifier you provided. A connection identifier is a unique string used to identify a database connection.
The following are some common causes of ORA-12154 errors:
Workaround:
To resolve the ORA-12154 error, try the following steps:
If you have tried the above steps and the problem persists, please contact your database administrator for further assistance.
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