文档解释 ORA-24428: Sessions with SYSDBA privileges are not supported in this mode. Cause: A session with SYSDBA privileges was requested from a Ses……

文档解释 ORA-39710: only connect AS SYSDBA is allowed when OPEN in UPGRADE mode Cause: An attempt was made to connect to a database when the databas……

文档解释 ORA-32058: operation restricted to SYSDBA users Cause: Operation requires SYSDBA priviliges. Action: Connect to the database as SYSDBA. OR……