Oracle Database Errors or Warnings from Error ORA-12819 to ORA-12828

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ORA-12819: missing options in PARALLEL clause
Cause: PARALLEL clause cannot be empty.
Action: specify any combination of DEGREE { <n> | DEFAULT } and INSTANCES { <n> | DEFAULT } within the PARALLEL clause.
ORA-12820: invalid value for DEGREE
Cause: invalid value for DEGREE was specified within a PARALLEL clause.
Action: specify a positive integer or DEFAULT for the DEGREE option within a PARALLEL clause.
ORA-12821: invalid value for INSTANCES
Cause: invalid value for INSTANCES was specified within a PARALLEL clause.
Action: specify a positive integer or DEFAULT for the INSTANCES option within a PARALLEL clause.

ORA-12822: duplicate option in PARALLEL clause
Cause: DEGREE or INSTANCES was specified more than once within a PARALLEL clause.
Action: specify each desired PARALLEL clause option only once.
ORA-12823: default degree of parallelism may not be specified here
Cause: the PARALLEL keyword was used alone or DEGREE DEFAULT was specified in the PARALLEL clause of an ALTER DATABASE RECOVER command.
Action: respecify with an explicit degree of parallelism.
ORA-12824: INSTANCES DEFAULT may not be specified here
Cause: INSTANCES DEFAULT was specified in the PARALLEL clause of an ALTER DATABASE RECOVER command
Action: respecify with an explicit value for INSTANCES or omit the INSTANCES option if single instance recovery is desired.

ORA-12825: explicit degree of parallelism must be specified here
Cause: the DEGREE option was omitted from an ALTER DATABASE RECOVER command.
Action: respecify with an explicit degree of parallelism.
ORA-12826: hung parallel query server was killed
Cause: parallel query server was hung and subsequently killed.
Action: re-execute query and report suspicious events in trace file to Oracle Support Services if error persists.
ORA-12827: insufficient parallel query slaves available
Cause: PARALLEL_MIN_PERCENT parameter was specified and fewer than minimum slaves were acquired
Action: either re-execute query with lower PARALLEL_MIN_PERCENT or wait until some running queries are completed, thus freeing up slaves
ORA-12828: Can’t start parallel transaction at a remote site
Cause: PDML transaction cannot be started because we are not in the coordinator site of the distributed transaction.
Action: Do not use PDML at remote sites.

Above are list of Oracle Database Errors or Warnings from Error ORA-12819 to ORA-12828 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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