Scans of partition take longer than a full table on a non-partitioned table scan?

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  Operation   % Complete  Elapsed Remaining   Total   Start Time          Predicted End Time
  Table Scan  176.64      849                         01.02.2011 13:34:30 01.02.2011 13:48:39
  Table Scan  100         24      0           24      31.01.2011 22:28:06 31.01.2011 22:28:30
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  SELECT  vsl.opname "Operation"
         ,ROUND(vsl.sofar / vsl.totalwork * 100,2) "% Complete"
         ,vsl.elapsed_seconds "Elapsed (Sec)"
         ,vsl.time_remaining "Remaining (Sec)"
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  Oracle Database 11 g Enterprise Edition Release 11.2.0.2.0 - 64 bit Production
  With partitioning, OLAP, Data Mining and Real Application Testing options
  
  Concerning
  Marcus
  
  Edited by: Marwim the 01.02.2011 version added 14:01

  What are the actual values to SOFAR and TOTALWORK?
  What are the values of LINES and the NUM_BLOCKS in DBA_TABLES for the Table being full analysis?
  What is the value for the BLOCKS in DBA_SEGMENTS for the table (assuming that it is not a partitioned table)?

  et What is the request that the session is running?

  Hemant K Collette

  Published by: Hemant K grapple February 1, 2011 22:57

• Full table scan - condition of partition ignored

  Hello world.
  
  I ask a table partitioned, and when I hard code a condition of date on partitioned column, the query runs as expected - that is to say making reference to the partition in question.
  
  I want to automate the application - and the date of the partition will vary each month (it is based on the last load of lots in our database from the previous month) - so I have a subquery that will get the date of the partition. The question I have is that when I run my query (including the subquery) - the explain command plan indicates that I now do a full table scan - I don't really want to. I read in some documents and came across this:
  
  + ' However, the optimizer do prune partitions if the SQL statement applies to a function to the partitioning (with the exception of the TO_DATE function) column ".". " +
  
  My subquery contains several functions. Has anyone encountered this before and managed to work around? Ideally, I really need to try to find a solution that involves no PL/SQL, the query will be executed in Business Objects.
  
  Any help or pointers greatly appreciated.
  
  Void Query =
  
  (SELECT TO_CHAR (TO_DATE (MAX (SUBSTR (A.PARTITION_NAME,-8)), 'YYYYMMDD'), 'YYYYMMDD') batch_date)
  
  FROM DBA_TAB_PARTITIONS WHERE A.TABLE_OWNER = 'BUSINT_OWNER' AND A.TABLE_NAME = "TBL_FACT_DAILY_PLAN_BALANCE."
  
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  Ouch!... Dates in the form VARCHAR2s! This will be just one of your many and varied ;-) problems

  In any case, go you could achieve this through PL/SQL, where you limit the SELECT for a partition only, use dynamic SQL Native ("EXECUTE IMMEDIATE"):

  ...
  v_tab_part VARCHAR2(8);
  v_sql VARCHAR2(2048);
  ...
  BEGIN
  SELECT TO_CHAR(TO_DATE(MAX(SUBSTR(A.PARTITION_NAME,-8)),'YYYYMMDD'),'YYYYMMDD')
  INTO  INTO v_tab_part
  FROM DBA_TAB_PARTITIONS A WHERE A.TABLE_OWNER = 'BUSINT_OWNER' AND A.TABLE_NAME = 'TBL_FACT_DAILY_PLAN_BALANCE'
  AND TO_CHAR(TO_DATE(SUBSTR(A.PARTITION_NAME,-8),'YYYYMMDD'),'MONTH') = TO_CHAR(ADD_MONTHS(TRUNC(SYSDATE),-1),'MONTH');
  
  v_sql =
  'SELECT' ||
  ' /*+ USE_HASH (A B C D E F G) */ ' ||
  ...
  'FROM ' ||
  'TBL_FACT_DAILY_PLAN_BALANCE PARTITION (' || v_tab_part || ') C,' ||
  'BCP_STG D, ' ||
  ...
  'WHERE f.dac_end_date >= max_part.batch_date ' ||
  'and B.DAS_PK = F.DAC_ACC_STATUS_FK ' ||
  ...
  'GROUP BY ' ||
  ...
  
  EXECUTE IMMEDIATE v_sql;
  
  END;
  

  However one thing, you could try prior to that would be to change the last attempt with the WITH CLAUSE of:

  C.FDP_DATA_DATE = max_part.batch_date
  

  VOY

  C.FDP_DATA_DATE IN (max_part.batch_date)
  

  Unlikely to make a difference, perhaps, but worth a try

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  Hi all

  I have a version of oracle 11.2.0.4.6 database

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  (

  INCIDENT_PK NUMBER (14.5).

  INCIDENTGROUPING_PK NUMBER (14.5).

  INCIDENTTYPE_PK NUMBER (14.5).

  SECURITYCLASS_PK NUMBER (14.5).

  STAMP OF INCIDENT_DATE,

  SYS INCIDENT_DETAIL. XMLTYPE

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  PCTFREE 10

  INITRANS 1

  MAXTRANS 255

  STORAGE)

  64K INITIALS

  MINEXTENTS 1

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  ..........);

  CREATE the INDEX INCIDENTxdb_idx

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  PARAMETERS (' PATH TABLE INCIDENT_PATHTABLE (TABLESPACE DATA_TBS_INCIDENT))

  PIKEY INDEX INCIDENT_PATHTABLE_PIKEY_IX (TABLESPACE IDX_TBS_INCIDENT)

  PATH ID INDEX INCIDENT_PATHTABLE_ID_IX (TABLESPACE IDX_TBS_INCIDENT)

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  2 Select INCIDENT_pk in INCIDENT where XMLEXISTS ('/ / name [text () = 'john']' by the way of INCIDENT_detail)

  3 and XMLEXISTS ("/ / name [text () 'clark' =]' by the way of INCIDENT_detail")

  4 and a.INCIDENT_date between TO_TIMESTAMP (January 10, 2014 ',' DD/MM/YYYY "")

  5 and TO_TIMESTAMP (September 10, 2014 ',' DD/MM/YYYY ');

  He explained.

  Elapsed time: 00:00:02.77

  SQL > select * from table (dbms_xplan.display);

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  Hash value of plan: 123057549

  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  | ID | Operation                                       | Name                           | Lines | Bytes | Cost (% CPU). Time | Pstart. Pstop |    TQ | IN-OUT | PQ Distrib.

  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  |   0 | SELECT STATEMENT |                                |     1.    70.  1803 (5) | 00:00:22 |       |       |        |      |            |

  |   1.  COORDINATOR OF PX |                                |       |       |            |          |       |       |        |      |            |

  |   2.   PX SEND QC (RANDOM). : TQ10003 |     1.    70.  1803 (5) | 00:00:22 |       |       |  Q1, 03 | P > S | QC (RAND) |

  |   3.    SEMI NESTED LOOPS.                                |     1.    70.  1803 (5) | 00:00:22 |       |       |  Q1, 03 | SVCP |            |

  |   4.     NESTED LOOPS |                                |     1.    57.  1800 (5) | 00:00:22 |       |       |  Q1, 03 | SVCP |            |

  |   5.      VIEW                                       | VW_SQ_1                        |   239.  5975 |  1773 (5) | 00:00:22 |       |       |  Q1, 03 | SVCP |            |

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  |   6.       UNIQUE HASH |                                |   239. 25334 |            |          |       |       |  Q1, 03 | SVCP |            |

  |   7.        RECEIVE PX |                                |   239. 25334 |            |          |       |       |  Q1, 03 | SVCP |            |

  |   8.         PX SEND HASH | : TQ10002 |   239. 25334 |            |          |       |       |  Q1, 02 | P > P | HASH |

  |   9.          UNIQUE HASH |                                |   239. 25334 |            |          |       |       |  Q1, 02 | SVCP |            |

  | * 10 |           HASH JOIN |                                |   239. 25334 |  1773 (5) | 00:00:22 |       |       |  Q1, 02 | SVCP |            |

  |  11.            KIND OF BUFFER.                                |       |       |            |          |       |       |  Q1, 02 | ISSUE |            |

  |  12.             RECEIVE PX |                                |     1.    22.     3 (0) | 00:00:01 |       |       |  Q1, 02 | SVCP |            |

  |  13.              PX SEND BROADCAST | : TQ10000 |     1.    22.     3 (0) | 00:00:01 |       |       |        | S > P | BROADCAST |

  |  14.               TABLE ACCESS BY INDEX ROWID | X$ PT74MSS0WBH028JE0GUCLBK0LHM4 |     1.    22.     3 (0) | 00:00:01 |       |       |        |      |            |

  | * 15 |                INDEX RANGE SCAN | X$ PR74MSS0WBH028JE0GUCLBK0LHM4 |     1.       |     2 (0) | 00:00:01 |       |       |        |      |            |

  | * 16.            HASH JOIN |                                | 12077 |   990K |  1770 (5) | 00:00:22 |       |       |  Q1, 02 | SVCP |            |

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  |  17.             RECEIVE PX |                                |   250K |    10 M |    39 (0) | 00:00:01 |       |       |  Q1, 02 | SVCP |            |

  |  18.              PX SEND BROADCAST | : TQ10001 |   250K |    10 M |    39 (0) | 00:00:01 |       |       |  Q1, 01 | P > P | BROADCAST |

  |  19.               SYSTEM PARTITION ALL |                                |   250K |    10 M |    39 (0) | 00:00:01 |     1.   112.  Q1, 01 | ISSUE |            |

  | * 20.                TABLE ACCESS BY LOCAL INDEX ROWID | INCIDENT_PATHTABLE |   250K |    10 M |    39 (0) | 00:00:01 |     1.   112.  Q1, 01 | SVCP |            |

  | * 21.                 INDEX RANGE SCAN | INCIDENT_PATHTABLE_VALUE_IX |   161.       |    25 (0) | 00:00:01 |     1.   112.  Q1, 01 | SVCP |            |

  |  22.             ITERATOR BLOCK PX |                                |   221 M |  8865M |  1671 (1) | 00:00:21 |    53.    54.  Q1, 02 | ISSUE |            |

  | * 23.              TABLE ACCESS FULL | INCIDENT_PATHTABLE |   221 M |  8865M |  1671 (1) | 00:00:21 |    53.    54.  Q1, 02 | SVCP |            |

  | * 24.      TABLE ACCESS BY ROWID USER | INCIDENT |     1.    32.     1 (0) | 00:00:01 | ROWID | ROWID |  Q1, 03 | SVCP |            |

  | * 25.     SEE PUSHED PREDICATE. VW_SQ_2                        |     1.    13.    20 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  |  26.      NESTED LOOPS |                                |     1.   106.    20 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  |  27.       NESTED LOOPS |                                |     4.   106.    20 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  |  28.        NESTED LOOPS |                                |     4.   256.     8 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  |  29.         TABLE ACCESS BY INDEX ROWID | X$ PT74MSS0WBH028JE0GUCLBK0LHM4 |     1.    22.     3 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  | * 30 |          INDEX RANGE SCAN | X$ PR74MSS0WBH028JE0GUCLBK0LHM4 |     1.       |     2 (0) | 00:00:01 |       |       |  Q1, 03 | SVCP |            |

  |  31.         ITERATOR SYSTEM PARTITION.                                |     4.   168.     5 (0) | 00:00:01 |    53.    54.  Q1, 03 | SVCP |            |

  | * 32 |          TABLE ACCESS BY LOCAL INDEX ROWID | INCIDENT_PATHTABLE |     4.   168.     5 (0) | 00:00:01 |    53.    54.  Q1, 03 | SVCP |            |

  | * 33 |           INDEX RANGE SCAN | INCIDENT_PATHTABLE_PIKEY_IX |     4.       |     4 (0) | 00:00:01 |    53.    54.  Q1, 03 | SVCP |            |

  |  34.        ITERATOR SYSTEM PARTITION.                                |     1.       |     2 (0) | 00:00:01 |   KEY |   KEY |  Q1, 03 | SVCP |            |

  | * 35 |         INDEX RANGE SCAN | INCIDENT_PATHTABLE_KEY_IX |     1.       |     2 (0) | 00:00:01 |   KEY |   KEY |  Q1, 03 | SVCP |            |

  | * 36 |       TABLE ACCESS BY LOCAL INDEX ROWID | INCIDENT_PATHTABLE |     1.    42.     3 (0) | 00:00:01 |     1.     1.  Q1, 03 | SVCP |            |

  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  Information of predicates (identified by the operation identity card):

  ---------------------------------------------------

  10 - access("SYS_P9".") PATHID '=' ID')

  Access (SYS_PATH_REVERSE ("PATH") 15 - > = HEXTORAW ('02582E') AND SYS_PATH_REVERSE ("PATH") < HEXTORAW ('02582EFF'))

  16 - access("SYS_P11".") RID "IS 'SYS_P9'." GET RID OF"AND TBL$ OR$ IDX$ PART$ NUM ("CORPAUDLIVE". "THE INCIDENT", 0,7,65535, "SYS_P9" "." " "RID") = TBL$ OR$ IDX$ PART$ NUM ("CORPAUDLIVE". "INCIDENT_PATHTAB

  THE', 0,7,65535, ROWID))

  filter ("SYS_P9". "ORDER_KEY" < = 'SYS_P11' "." " ORDER_KEY' AND 'SYS_P11 '. "" ORDER_KEY "< SYS_ORDERKEY_MAXCHILD ("SYS_P9". "ORDER_KEY")) "

  20 filter (SYS_XMLI_LOC_ISTEXT ("SYS_P11". "LOCATOR", "SYS_P11" "." " PATHID') = 1)

  21 - access("SYS_P11".") The VALUE "= 'John')

  23 filter (SYS_XMLI_LOC_ISNODE ("SYS_P9". "LOCATOR") = 1 AND SYS_OP_BLOOM_FILTER (: BF0000, "SYS_P9".) " PATHID'))

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  24 - filter("A".") INCIDENT_DATE' > = TIMESTAMP' 2014 - 10 - 01 00:00:00.000000000 "AND"A"". "" INCIDENT_DATE"< = TIMESTAMP' 2014 - 10 - 09 00:00:00.000000000' AND

  "ITEM_2" = TBL$ OR$ IDX$ PART$ NUM ("INCIDENT", 0,7,65535, "A". ROWID))

  25 filter ("ITEM_4" = TBL$ OR$ IDX$ PART$ NUM ("INCIDENT", 0,7,65535, "A".) ROWID))

  30 - access (SYS_PATH_REVERSE ("PATH") > = HEXTORAW('027FF9') AND SYS_PATH_REVERSE ("PATH") < HEXTORAW ('027FF9FF'))

  32 filter (SYS_XMLI_LOC_ISNODE ("SYS_P2". "LOCATOR") = 1) "

  33 - access("SYS_P2".") GET RID OF"="A ". ROWID AND 'SYS_P2 '. ("' PATHID '=' ID ')

  35 - access("SYS_P4".") GET RID OF"="A ". ROWID AND 'SYS_P2 '. "" ORDER_KEY "< ="SYS_P4. " "" ORDER_KEY "AND"SYS_P4 ". "" ORDER_KEY "< SYS_ORDERKEY_MAXCHILD ("SYS_P2". "ORDER_KEY")) "

  filter ("SYS_P4". "RID"IS "SYS_P2"." GET RID OF"AND TBL$ OR$ IDX$ PART$ NUM("INCIDENT",0,7,65535,"SYS_P2".") "RID") = TBL$ OR$ IDX$ PART$ NUM ("INCIDENT_PATHTABL

  E «(, 0,7,65535, ROWID)).

  36 - filter("SYS_P4".") The VALUE '= 'clark' AND SYS_XMLI_LOC_ISTEXT ("SYS_P4".' LOCATOR', 'SYS_P4 '. (("" PATHID ') = 1).

  PLAN_TABLE_OUTPUT

  --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  Note

  -----

  -dynamic sample used for this survey (level = 6)

  69 selected lines.

  Elapsed time: 00:00:00.47

  SQL > spool off

  Thank you

  CenterB

  You must create a XMLIndex with two groups:

  create table actionnew)

  number of action_pk

  action_date timestamp

  action_detail xmltype

  )

  partition by (range (action_date)

  partition values before_2015 less (timestamp ' 2015-01-01 00:00:00 ')

  , partition values jan_2015 less (timestamp ' 2015-02-01 00:00:00 ')

  , partition values feb_2015 less (timestamp ' 2015-03-01 00:00:00 ')

  );

  create index actionnew_sxi on actionnew (action_detail)

  indexType is xdb.xmlindex

  local

  parameters (q'~)

  Group my_group_1

  XMLTable actionnew_xt1

  "/ audit/action_details/screen_data/tables/table/row.

  path of varchar2 (100) the columns "name".

  , path of surname varchar2 (100) "first name".

  Group my_group_2

  XMLTable actionnew_xt2

  "/ audit/action_details/fields.

  path of varchar2 (100) the columns "name".

  , path of surname varchar2 (100) "first name".

  ~'

  );

  Select x.*

  to actionnew t

  xmltable)

  "/ audit/action_details/screen_data/tables/table/row.

  in passing t.action_detail

  path of varchar2 (100) the columns "name".

  , path of surname varchar2 (100) "first name".

  ) x

  where t.action_date between timestamp ' 2015-02-01 00:00:00 '

  and timestamp ' 2015-03-01 00:00:00 '

  and x.forename = 'anwardo. '

  and x.surname = 'gram '.

  ;

• Since a few days, it takes more than 30 to 60 minutes to open Firefox. I'm on Vista. I tried to reset firefox &amp; uninstalled and installed again.

  Hello

  Since a few days, it takes more than 30 to 60 minutes to open Firefox on my laptop. I'm on Vista and have Anti Virus. I already tried to reset firefox, uninstalled and installed again. My version of firefox is 29. But nothing seems to help.

  Can you please help in this regard, that I really like using Firefox, but because of this problem, I am forced to use other browsers.

  Thank you
  Gerard

  It is possible that your security (firewall, antivirus) software blocks or limit Firefox or the process of plugin-container without you inform, possibly after the detection of changes (update) for the Firefox program.

  Delete all rules for Firefox and the plugin-container in the permissions list in the firewall and leave your firewall again ask permission get full and unrestricted, access to the internet for Firefox and the plugin-container and the update process.

  See:

  • https://support.Mozilla.org/KB/server+not+found
  • https://support.Mozilla.org/KB/firewalls
  • https://support.Mozilla.org/KB/fix-problems-connecting-websites-after-updating

  Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem.

  • Put yourself in the DEFAULT theme: Firefox/tools > Modules > appearance
  • Do NOT click on the reset button on the startup window Mode safe
  • https://support.Mozilla.org/KB/safe+mode
  • https://support.Mozilla.org/KB/troubleshooting+extensions+and+themes

  Create a new profile as a test to see if your profile is the source of the problem.

  See "create a profile":

  • https://support.Mozilla.org/KB/Profile-Manager-create-and-remove-Firefox-profiles
  • http://KB.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues

  If the new profile works then you can transfer files from a profile already used in the new profile, but be careful not to copy files corrupted to avoid transporting on the problem

  • http://KB.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

• After updating to the latest version of Itunes, it works really slow, takes more than a minute to recognize my Iphone and will not correctly backup my Iphone

  IPhone 6 64 IOS 9.3.1 runs the latest version of ITunes 12.3.3.17

  After I updated to the latest version of ITunes, when I run the synchronization, it goes through the six steps, and then returns the message that the backup has failed

  Running on a 64-bit Windows 8.1 Dell computer.

  ITunes now works much more slowly. Takes a long time to load. It takes more than a minute after I plug in my Iphone for the IPhone to be recognized by Itunes.

  I rebooted the machine. Remove the locked file. All have failed to solve the problem

  For general advice, see troubleshooting problems with iTunes for Windows updates.

  The steps described in the second case are a guide to remove everything related to iTunes and then rebuild what is often a good starting point, unless the symptoms indicate a more specific approach. Review other cases and a list of documents to support further down the page, in which case one of them applies.

  More information area has direct links with the current and recent if you have problems to download, need to revert to a previous version or try the version iTunes for Windows (64-bit-for old video cards) as a workaround for the problems of performance or compatibility with third-party software.

  Your library must be affected by these measures, but it is also related to backup and recovery advice if necessary.

  If you have tried the suggestions above without success, then another option is to go back to the previous version of iTunes that has worked for you. See the roll back tips to installers of iTunes. Roll back of 12.3.3 will be to restore the pre-upgrade library in the previous iTunes libraries folder.

  TT2

• How do full table scan

  Hi all

  I have a table which is accesed by application every 5 seconds. Now, this table has several delete insert updates current. The table size is aprox 200 MB (high tide) and there is say 5 ranks, which will be a sentence of 20 to 30 KB. My CMS is say 2 GB. So now the stats are not met and there is no index in this table. Now I see full table scan as his wait event. Now, I want to know.

  How a scan full of tabel happens Oracle load the entire 200MB of data in the SGA and then do a table scan or should just the actual size used by the table IE 20 to 30 KB.

  Thank you

  A

  Hello

  high waters is precisely the limit up to which Oracle must read to be sure that all the data has been seen, so if you have only about 30 KB of data in the table, even if the data is in the first a few blocks from the table, a complete analysis must read the 200 MB (which is not so good but takes more time to read a few blocks). (the reason is that it was once the data written in this block and it triggered the HWM),

  You can reorganize the table (alter table mytable move or use DBMS_REDEFINITION so that you can do this, the application uses the table) to reset the HWM. ("If the current small" size used"is transient and if you expect the table to increase again to use 200 MB or more, don't need to reorg; do it if you are confident that the table will remain very weak)

  Best regards

  Brno Vroman.