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serverYou are here: Home / Resources / ORA-12801: error signaled in parallel query 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 error signal homeostasis data can naturally carry some headaches and frustration along the way. The ORA-12801 would most easily fall into this 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 syst
CommunityOracle User Group CommunityTopliners CommunityOTN Speaker BureauJava CommunityError: You don't have JavaScript enabled. This tool uses JavaScript and much of it will not work correctly without it enabled. Please turn JavaScript back on and reload this page. Please enter a error signal drives an input pin title. You can not post a blank message. Please type your message error signal physiology and try again. More discussions in General Database Discussions All PlacesDatabaseGeneral Database Discussions This discussion is archived 6 signal error check the pcu and power box Replies Latest reply on Jun 11, 2012 10:41 PM by 735967 ORA-12801: error signaled in parallel query server P081 735967 Jun 11, 2012 9:42 PM Hi All, Please suggest me appropriate https://www.tekstream.com/resources/ora-12801-error-signaled-in-parallel-server/ resolution for this below error Select statement : select * from v_putaway where lot_no=91245 and flag_selected=0 Error Faced : ORA-12801: error signaled in parallel query server P081 ORA-01722: invalid number Oracle : 11.2.0.3 OS : RHEL 5.4 Thanks I have the same question Show 0 Likes(0) 44492Views Tags: none (add) ora-12801Content tagged with ora-12801 This content has been marked as final. Show https://community.oracle.com/thread/2402635 6 replies 1. Re: ORA-12801: error signaled in parallel query server P081 sybrand_b Jun 11, 2012 9:57 PM (in response to 735967) lot_no is a varchar2 column and Oracle translates your query to select * from v_putaway where to_number(lot_no)=91245 and flag_selected=0 It fails as you have data problems. Solution: cleans your data, and after cleansing correct the datatype. ------------- Sybrand Bakker Senior Oracle DBA Like Show 0 Likes(0) Actions 2. Re: ORA-12801: error signaled in parallel query server P081 735967 Jun 11, 2012 10:11 PM (in response to sybrand_b) Hello sybrand_b, Thanks for the quick response, can I suggest to change the lot_no column to number? Thanks Like Show 0 Likes(0) Actions 3. Re: ORA-12801: error signaled in parallel query server P081 sb92075 Jun 11, 2012 10:14 PM (in response to 735967) user1687821 wrote: can I suggest to change the lot_no column to number?I don't know. You tell me. Can you? Are you asking for permission to do so? Like Show 0 Likes(0) Actions 4. Re: ORA-12801: error signaled in parallel query server P081 735967 Jun 11, 2012 10:18 PM (in response to
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Operation. Query Failing: SELECT COUNT(*) FROM SALES_MASTER_HISTORY WHERE TREASURYNUMBER < 20000; ORA-12801: error signaled in parallel query server P001 ORA-01722: invalid number When i check degree on this table it was set to 1 so no problem found there but degree with above table indexes 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 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> 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 dat