Ora-12801 Error Signaled In Parallel Query Server Invalid Number
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Ora-12801: Error Signaled In Parallel Query Server P000
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Ora-12801 Error Signaled In Parallel Query Server P003
server ORA-12801 One of the greatest achievements of Oracle database software is its ability to process massive sums of information into a multitude of tables and functions. The downside is that in any system, dealing with huge amounts of data can naturally carry some headaches and frustration along the way. The ORA-12801 would most easily fall into this ora 12801 error signaled in parallel query server p007 category, an Oracle error emanating most often in response to errors when processing large jobs. The Problem The ORA-12801 is an Oracle error that has some confusing origins, but is described as an error resulting in some form from a parallel query server. The error frequently accompanies another error, often the ORA-01652 (which concerns an inability to extend the temp segment in a tablespace). The ORA-12801 is essentially a general error, a sort of catchall for parallel query issues. At this juncture, some of you may be wondering yourselves, “What is a parallel query?” First showing up in later versions of Oracle7, a parallel query option lets multiple processes request and receive data and perform operations at the same time. As you would imagine, this can greatly enhance the speed of the system. To achieve this kind of efficiency, there are several conditions for the parallel query that require attention. So what are those conditions and how do they pertain to resolving an ORA-12801 error? The Solution An absolutely cru
Operation. Query Failing: SELECT COUNT(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000; ORA-12801: error signaled in parallel query server
Ora-12801 Error Signaled In Parallel Query Server P004
P001 ORA-01722: invalid number When i check degree on this ora-12801 error signaled in parallel query server p000 instance table it was set to 1 so no problem found there but degree with above table indexes ora-12853: insufficient memory for px buffers was set to 4. I changed the degree to 1 to sort first issue as below: SQL> SQL> select owner,table_name,degree from dba_tables where table_name in ('SALES_MASTER_HISTORY'); OWNER https://www.tekstream.com/resources/ora-12801-error-signaled-in-parallel-server/ TABLE_NAME DEGREE ------------------------------ ------------------------------ ---------- CAP SALES_MASTER_HISTORY 1 SQL> select index_name,degree from dba_indexes where table_name in ('SALES_MASTER_HISTORY'); INDEX_NAME DEGREE ------------------------------ ---------------------------------------- IDX_TMH_NETTEDBOOKINGREF 4 IDX_VALUEDATE 4 PK_TRADES_MASTER_HISTORY 4 IDX_TMH_CORESYSREF 4 IDX_TMH_TRUNC_BOOKEDDATE_IDX 4 IDX_TMH_BRANCH_CODE 4 IDX_TMH_CUSTOMER_NUMBER 4 IDX_TMH_BROKERCODE 4 IDX_BOOKEDDATE 4 IDX_TMH_CONTRACTNUMBER 4 IDX_TMH_CUSTOMER 4 11 rows selected. SQL> alter index CAP.IDX_BOOKEDDATE parallel 1; Index altered. SQL> http://arpitagrawaloracle.blogspot.com/2012/11/ora-12801-error-signaled-in-parallel.html alter index CAP.IDX_TMH_BRANCH_CODE parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_BROKERCODE parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_CONTRACTNUMBER parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_CUSTOMER_NUMBER parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_NETTEDBOOKINGREF parallel 1; Index altered. SQL> alter index CAP.IDX_VALUEDATE parallel 1; Index altered. SQL> alter index CAP.PK_TRADES_MASTER_HISTORY parallel 1; Index altered. SQL> alter index CAP.IDX_TMH_TRUNC_BOOKEDDATE_IDX parallel 1; Index altered. SQL> select owner,index_name,degree from dba_indexes where table_name in ('SALES_MASTER_HISTORY') order by INDEX_NAME; OWNER INDEX_NAME DEGREE ------------------------------ ------------------------------ ---------------------------------------- CAPFX IDX_BOOKEDDATE 1 CAPFX IDX_TMH_BRANCH_CODE 1 CAPFX IDX_TMH_BROKERCODE 1 CAPFX IDX_TMH_CONTRACTNUMBER 1 CAPFX IDX_TMH_CORESYSREF 1 CAPFX IDX_TMH_CUSTOMER 1 CAPFX IDX_TMH_CUSTOMER_NUMBER 1 CAPFX IDX_TMH_NETTEDBOOKINGREF 1 CAPFX IDX_TMH_TRUNC_BOOKEDDATE_IDX 1 CAPFX IDX_VALUEDATE 1 CAPFX PK_TRADES_MASTER_HISTORY 1 After that when i execute query it was giving just : SQL> select count(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000; select count(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000 * ERROR at line 1: ORA-01722: invalid number This is not really a database problem, here problem is TREAS
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