Oracle Database Errors or Warnings from Error ORA-12739 to ORA-12806

SQLServerF1
ORA-12739: Express Instant Client: unsupported client character set string
Cause: The character set specified is not allowed for this operation or is invalid. Express Instant Client has only minimal character sets.
Action: Do not use Express Instant Client for this character set
ORA-12740: Express Instant Client: unsupported server national character set string
Cause: Only UTF8 and AL16UTF16 are allowed to be used as the national character set. Instant Client has only minimal character sets.
Action: Do not use Express Instant Client for this character set
ORA-12741: Express Instant Client: unsupported server character set string
Cause: The character set specified is not allowed for this operation or is invalid. Express Instant Client has only minimal character sets.
Action: Do not use Express Instant Light for this character set

ORA-12800: system appears too busy for parallel query execution
Cause: load on system is too high to perform parallel queries.
Action: re-execute serially or wait until system load is reduced.
ORA-12801: error signaled in parallel query server string
Cause: A parallel query server reached an exception condition.
Action: Check the following error message for the cause, and consult your error manual for the appropriate action.
ORA-12802: parallel query server lost contact with coordinator
Cause: A parallel query server lost contact with the foreground (coordinator) process/thread.
Action: Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services.

ORA-12803: parallel query server lost contact with another server
Cause: A parallel query server lost contact with another server.
Action: Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services.
ORA-12804: parallel query server appears to have died
Cause: Cannot find process information for a parallel query server thread.
Action: Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services.
ORA-12805: parallel query server died unexpectedly
Cause: A parallel query server died unexpectedly, PMON cleaning up the process.
Action: Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services. See trace file for more details.
ORA-12806: could not get background process to hold enqueue
Cause: Internal error.
Action: This error should not normally occur. If it persists, contact Oracle Support Services.

Above are list of Oracle Database Errors or Warnings from Error ORA-12739 to ORA-12806 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.

 

Leave a Reply

Your email address will not be published. Required fields are marked *