Oracle database error code ORA-01012 – not logged on

Oracle Database Error Code ORA-1012 Description :
not logged on
Error Cause:
A host language program issued an Oracle call, other than OLON or OLOGON, without being logged on to Oracle. This can occur when a user process attempts to access the database after the instance it is connected to terminates, forcing the process to disconnect.

How to Solve :
Log on to Oracle, by calling OLON or OLOGON, before issuing any Oracle calls. When the instance has been restarted, retry the action.


Filed under: How to Solve, Oracle 10g, Oracle 11g, Oracle 9i, Oracle Error Codes     Etiketler:, , , , , , , , , , , , ,
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