Best Way To Fix Ora-12801 Error In Parallel Query

Best Way To Fix Ora-12801 Error In Parallel Query

You may encounter an error message that the parallel query is reporting error ora-12801. It turns out that there are several ways to solve this problem, and we will talk about them a little later.

In

ora-12801: error reported last line of parallel query server

Reason: Parallel server in the Internet hosting for queries hit an exception.

Action: Look for the cause immediately after the error message and refer to the troubleshooting guideto find appropriate corrective actions. East

This is a standard error message that is almost never CPU related. This is an example of the very page you linked to most of the time, which contains a lot of false or similar information. Perhaps 17 lawsuits was “a lot” 17 years ago, but now there are more. Unfortunately, this website is often the result of the first Google.

How do I resolve ORA 12801?

Solution in general, a good rule of thumb is to double the number of disks or computers on which the material is used, and generally the number of parallel miracle slaves. Also, your tables must be registered for parallel queries.

You can check the UNDO expiration, i.e. duration in seconds, like this:

Select

 outside of V$ value, parameter where name is 'undo_retention'.

Free space, a disk for which the UNDO table space is also relevant:

select round(sum(max bytes)/1024/1024/1024) GBfrom dba_data_fileswhere tablespace_name as '%UNDO%';

For more information about the parameter, see the manual.

ora-12801 error signaled in parallel query

I have an Oracle 3 12c database that is an extra clone. My database is in production, when I enter a syntax error while creating a query, SQLDeveloper probably throws ORA-12801, andThis is a format error. With the other two databases, I only get a format error.

Because this working database shows a problem, I’d like you to fix it. I checked the disk space and temporary tablespace, looked at the alert.log file and the event viewer, whose database is running on Windows 2016, and therefore couldn’t find anything.

This obviously nasty query is missing the string format (‘yyymmdd’) that uses the two to_date functions.

12801. 00000 – “An error has been reported in parallel query node %s”

* Action: Investigate a reading error to report the cause and contact us

*Comment: this error may be caused by event 10397, if present

How do I fix ORA 12801 error signaled in parallel query server?

Temperature 12801 To solve this problem, you can run the same SQL as below. Set the following trace events, just run the same as sql and trace.

Reason * The literals in the input do indeed have the same length, mainly because the literals in

How to fix error signaled in parallel query server?

Cause: The equivalent query server encountered the exception described in the accompanying messages. Corrective Action Correct: The error described in the actual accompanying message. To resolve this dilemma, use a divide-by-zero error handling method that invokes a pass (non-local A/B or at (B<>0) then (A/B), otherwise (0) .

Format string (excluding leading spaces).

when the “FX” modifier is enabled, the literal must be exact,

Yes, okay. I know how to fix my formatting errors, but I’m afraid the ORA-12801 error usually points to something serious the main problem.

When I run SQL I get an error message ORA-12801: A query error was reported in a parallel machine.

ORA-12801, "Error 00000 reported similar in request to server %s"Cause. Concerned parallel server encountered an exception.Action: Check and cause the following error message, contact the person responsible for the error to take appropriate action.*Comment: This error can be disabled using script 10397, in which case the actual La server error will be reported instead.

ora-12801 error signaled in parallel queryexplainv_dyn cluster;begin begin launch instant table || || ‘one’ ‘.’ || ‘Delete ODI_TABLE’; Exception, because the rest are then zero; End; v_dyn := ‘ TABLE create “ODI”..”ODI_TABLE” (“SUBSCR_ID” NUMBER NOT NULL INCLUDED, “SUBSCR_CLASS_SCHEME_CD” VARCHAR2 (16 CHARACTERS) NOT NULL INCLUDED, DATE “VALID_FROM_DT” NOT NULL ACTIVATION, ACTIVATION DATE “VALID_UNTIL_DT” NOT NULL, “SUBSCR_CLASS_VALUE_CD” VARCHAR2 (16 CHARACTERS) NOT NULL INCLUDED, “SOURCE_SYSTEM_CD” VARCHAR2 (5 CHAR) NOT NULL ENABLE,DATE “INSERT_DT”, DATE “UPDATE_DT” ) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS NOLOGGING 255 pieces( BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT) TABLE SPACE “MSD_TBS” PARTITION BY RANGE (“VALID_UNTIL_DT”) INTERVAL (NUMTODSINTERVAL(1,”DAY”)) SUBSCR_CLASS_SCHEME_CD SUBSCRIBE TO A LIST DIVISION TEMPLATE ( SP_LOB SUB-PARTITION VALUES (”LOB”), SP_SGIB SUBKEY VALUES (”SGIB”), VALUES OF SUB-PARTITION “SP_VIP” ( ”VIP” ) ) (SECTION “P_LOW” IS LESS THAN (TO_DATE(” 1980-01-01 00:00:00”, ”SYYYY-MM-DD HH24:MI:SS”,​​​​​​​ ‘NLS_CALENDAR = GREGORIAN ” )) PCTFREE ten PCTUSED 40 INITRANS 1 MAXTRANS 254 CAMP( BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT) TABLE SPACE “MSD_TBS” ( VALUES OF SUB-PARTITION “P_LOW_SP_LOB” (”LOB”) CAMP( BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT) TABLE SPACE “MSD_TBS”

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