October 2023

Multiplexing of control files

Multiplexing of Control Files

Introduction In Oracle database management, ensuring the integrity and availability of control files is crucial. Multiplexing of control files is a vital step in safeguarding against potential failures. This process involves creating multiple copies of control files and storing them in separate locations, reducing the risk of data loss due to a control file failure. …

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ORA-12012: error on auto execute of job SYS.ORA$AT_OS_OPT_SY_

ORA-12012: error on auto execute of job SYS.ORA$AT_OS_OPT_SY_

Introduction ORA-12012 error is related to Oracle Database and is part of the Oracle Job Scheduler (DBMS_SCHEDULER). It usually occurs when an automatic task or job execution encounters an issue. The error message you’re seeing, “ORA$AT_OS_OPT_SY_<number>,” is specific to the job causing the problem. During the 12c database creation process , you can see ORA-12012 …

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