How optimize this delete statement.

Hi,
It is possible to optimize the following delete?
DELETE
FROM subraw
WHERE (((PERIOD_START_TIME >= to_date('20130918120000', 'yyyymmddhh24miss'))
        AND (PERIOD_START_TIME < to_date('20130918140000', 'yyyymmddhh24miss'))
        AND ((rn_id IN (4000000813562))))
       OR ((PERIOD_START_TIME >= to_date('20130918150000', 'yyyymmddhh24miss'))
           AND (PERIOD_START_TIME < to_date('20130919120000', 'yyyymmddhh24miss')))
       OR ((PERIOD_START_TIME >= to_date('20130919220000', 'yyyymmddhh24miss'))
           AND (PERIOD_START_TIME < to_date('20130919230000', 'yyyymmddhh24miss'))))
AND (subraw.rn_id = 0
       OR EXISTS
         (SELECT *
          FROM CO_OBJECTS
          WHERE CO_ID = 4
            AND CO_OBJECTS.CO_GI = subraw.rn_id));
The subraw table have 987792728 (aprox. 990 millions) rows
The CO_OBJECTS have 3010749(aprox. 3millions) rows.
The subraw_PK index (for the RN_ID,PERIOD_START_TIMEcolumns)
The CO_OBJECTS_CO_GID index (for the CO_ID,CO_GI columns)
PLAN_TABLE_OUTPUT
Plan hash value: 2274303221
| Id | Operation                   | Name                         | Rows | Bytes | Cost (%CPU)| Time     | Pstart| Pstop |
|   0 | DELETE STATEMENT            |                              | 1606K|   870M| 1116 (93)| 00:00:01 |       |       |
|   1 | DELETE                     | subraw                       |       |       |            |          |       |       |
|   2 |   CONCATENATION             |                              |       |       |            |          |       |       |
|* 3 |    FILTER                   |                              |       |       |            |          |       |       |
|   4 |     PARTITION RANGE SINGLE |                              |   891 |   494K|     3 (34)| 00:00:01 |    31 |    31 |
|* 5 |      INDEX RANGE SCAN       | subraw_PK                    |   891 |   494K|     3 (34)| 00:00:01 |    31 |    31 |
|* 6 |     INDEX RANGE SCAN        | CO_OBJECTS_CO_GID            |   753 | 19578 |     1   (0)| 00:00:01 |       |       |
|* 7 |    FILTER                   |                              |       |       |            |          |       |       |
|   8 |     PARTITION RANGE SINGLE |                              | 1713K|   927M|   368 (93)| 00:00:01 |    32 |    32 |
|* 9 |      INDEX FULL SCAN        | subraw_PK                   | 1713K|   927M|   368 (93)| 00:00:01 |    32 |    32 |
|* 10 |     INDEX RANGE SCAN        | CO_OBJECTS_CO_GID            |   753 | 19578 |     1   (0)| 00:00:01 |       |       |
|* 11 |    FILTER                   |                              |       |       |            |          |       |       |
| 12 |     PARTITION RANGE ITERATOR|                              |    25M|    13G|   744 (94)| 00:00:01 |    31 |    32 |
|* 13 |      INDEX FULL SCAN        | subraw_PK                    |    25M|    13G|   744 (94)| 00:00:01 |    31 |    32 |
|* 14 |     INDEX RANGE SCAN        | CO_OBJECTS_CO_GID            |   753 | 19578 |     1   (0)| 00:00:01 |       |       |
BR,
Jorge

Hi,
Please find below the info requested:
SQL> select count(*) from subraw partition(PM_20130919);
COUNT(*)
33109835
All partitions for the table above have aprox, 30 millions of rows
Predicate Information (identified by operation id):
   3 - filter("RN_ID"=0 OR EXISTS (SELECT 0 FROM "UMA"."CO_OBJECTS" "CO_OBJECTS" WHERE
              "CO_OBJECTS"."CO_GI"=:B1 AND "CO_ID"=4))
   5 - access("RN_ID"=4000000813562 AND "PERIOD_START_TIME">=TO_DATE(' 2013-09-18 12:00:00', 'syyyy-mm-dd
              hh24:mi:ss') AND "PERIOD_START_TIME"<TO_DATE(' 2013-09-18 14:00:00', 'syyyy-mm-dd hh24:mi:ss'))
       filter("PERIOD_START_TIME">=TO_DATE(' 2013-09-18 12:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "PERIOD_START_TIME"<TO_DATE(' 2013-09-18 14:00:00', 'syyyy-mm-dd hh24:mi:ss'))
   6 - access("CO_ID"=4 AND "CO_OBJECTS"."CO_GI"=:B1)
   7 - filter("RN_ID"=0 OR EXISTS (SELECT 0 FROM "UMA"."CO_OBJECTS" "CO_OBJECTS" WHERE
              "CO_OBJECTS"."CO_GI"=:B1 AND "CO_ID"=4))
   9 - access("PERIOD_START_TIME">=TO_DATE(' 2013-09-19 22:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "PERIOD_START_TIME"<TO_DATE(' 2013-09-19 23:00:00', 'syyyy-mm-dd hh24:mi:ss'))
       filter("PERIOD_START_TIME">=TO_DATE(' 2013-09-19 22:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "PERIOD_START_TIME"<TO_DATE(' 2013-09-19 23:00:00', 'syyyy-mm-dd hh24:mi:ss') AND (LNNVL("RN_ID"=4000000813562) OR
              LNNVL("PERIOD_START_TIME">=TO_DATE(' 2013-09-18 12:00:00', 'syyyy-mm-dd hh24:mi:ss')) OR
              LNNVL("PERIOD_START_TIME"<TO_DATE(' 2013-09-18 14:00:00', 'syyyy-mm-dd hh24:mi:ss'))))
10 - access("CO_ID"=4 AND "CO_OBJECTS"."CO_GI"=:B1)
11 - filter("RN_ID"=0 OR EXISTS (SELECT 0 FROM "UMA"."CO_OBJECTS" "CO_OBJECTS" WHERE
              "CO_OBJECTS"."CO_GI"=:B1 AND "CO_ID"=4))
13 - access("PERIOD_START_TIME">=TO_DATE(' 2013-09-18 15:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "PERIOD_START_TIME"<TO_DATE(' 2013-09-19 12:00:00', 'syyyy-mm-dd hh24:mi:ss'))
       filter("PERIOD_START_TIME">=TO_DATE(' 2013-09-18 15:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "PERIOD_START_TIME"<TO_DATE(' 2013-09-19 12:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              (LNNVL("PERIOD_START_TIME">=TO_DATE(' 2013-09-19 22:00:00', 'syyyy-mm-dd hh24:mi:ss')) OR
              LNNVL("PERIOD_START_TIME"<TO_DATE(' 2013-09-19 23:00:00', 'syyyy-mm-dd hh24:mi:ss'))) AND
              (LNNVL("RN_ID"=4000000813562) OR LNNVL("PERIOD_START_TIME">=TO_DATE(' 2013-09-18 12:00:00', 'syyyy-mm-dd
              hh24:mi:ss')) OR LNNVL("PERIOD_START_TIME"<TO_DATE(' 2013-09-18 14:00:00', 'syyyy-mm-dd hh24:mi:ss'))))
14 - access("CO_ID"=4 AND "CO_OBJECTS"."CO_GI"=:B1)
Note
   - dynamic sampling used for this statement (level=4)
BR,
Jorge

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Helio Dias wrote:
Have you ever thought about bulk collection?
http://heliodias.wordpress.com/2010/01/07/best-way-to-delete-millions-rows-from-hundred-millions-table/
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Message was edited by:
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select * from mytbl;
DD                 NR
28-02-2006      12000
31-03-2006      10000
30-04-2006      12050
31-05-2006       9500
06-06-2006      13100
07-06-2006      13200
08-06-2006      13300
09-06-2006      13400
10-06-2006      13500
11-06-2006      13600
12-06-2006      13700
13-06-2006      13800
14-06-2006      13900
15-06-2006      14000
16-06-2006      14100
17-06-2006      14200
18-06-2006      14300
17 rows selected.
delete from mytbl
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( dd = last_day( dd ) -- Keep last days of months
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3 rows deleted.
select * from mytbl;
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28-02-2006      12000
31-03-2006      10000
30-04-2006      12050
31-05-2006       9500
09-06-2006      13400
10-06-2006      13500
11-06-2006      13600
12-06-2006      13700
13-06-2006      13800
14-06-2006      13900
15-06-2006      14000
16-06-2006      14100
17-06-2006      14200
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I require your help, I want to know how I can optimize this query
SELECT
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It seems to me that part of fixing it could be how you join the tables.
Instead of the humongous where clause, put the applicable conditions on the join.
You have
from "PRODDTA". "F0101" "F0101"
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"PRODDTA". "F4101" "F4101"
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☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders, sorted by size with the largest at the top. It may take a few minutes for ODS to finish scanning.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

I downloaded a word file from an inbox mail (the mail app) onto my iPad2, where is this file stored? How can I delete it if it takes up space in my iPad? Any ideas??

I downloaded a word file from an inbox mail (the mail app) onto my iPad, where is this file stored? How can I delete it if it takes up space in my iPad? Any ideas??

Did you ever figure out what happened?
I had the same experience as you did, but in my case it was a big fat pdf that Mail insisted I had to download before I could view it. As happened with you, I saw the file actually downloading, and after a time I was able to view the pdf. It's been my assumption that the pdf is still somewhere on my iPad, but I have no idea where, nor how to delete it if it is still there.
Thanks.

HT1620 I have been trying to download iOS 6.1 on my ipad. It takes between 6-8 hours to download and after about 4-5 hours it send me an error message and cannot download. How can I delete this downloa? it will not let me download any apps

I have been trying to download iOS 6.1 on my ipad. After its been downloading for about 4 hours, I receive a message that there is an error and cannot download. How can I delete this download from my settings? I tried downloading other apps, but it will not let me unless I download iOS 6.1

What iOS are you currently running?
If you have an iPad 1, the max iOS is 5.1.1. For newer iPads, the current iOS is 6.1. The Settings>General>Software Update only appears if you have iOS 5.0 or higher currently installed.
iOS 5: Updating your device to iOS 5 or Later
http://support.apple.com/kb/HT4972
How to install iOS 6
http://www.macworld.com/article/2010061/hands-on-with-ios-6-installation.html
iOS: How to update your iPhone, iPad, or iPod touch
http://support.apple.com/kb/HT4623
If you are currently running an iOS lower than 5.0, connect the iPad to the computer, open iTunes. Then select the iPad under the Devices heading on the left, click on the Summary tab and then click on Check for Update.
Tip - If connected to your computer, you may need to disable your firewall and anitvirus software temporarily. Then download and install the iOS update. Be sure and backup your iPad before the iOS update. After you update an iPad (except iPad 1) to iOS 6.x, the next update can be installed via wifi (i.e., not connected to your computer).
 Cheers, Tom

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