Slow flash chart loading in Apex due to SQL performance!

I am very new with Oracle. I have an application with lots of flash charts which are mostly very slow to load. My table size is over 10 million and growing. I think that most of my problems come from the SQL quries that I use, but do not understand most of the techniques I find in internet to tune it. Here is one example:
select null,c.mydate label,c7.cnt "Rattle",c8.cnt "Climb",c9.cnt "Kick",c1.cnt "Footstep",c2.cnt "Vehicle",c4.cnt "Start"
from (select unique TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,TO_CHAR(RECORDDATE,' yyyy-mm-dd HH24:MI') as sort from SCOTT.SCDATABASE4 WHERE RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND (CLASS in (7,8,9,1,2,4))) c
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 WHERE RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 7 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c7 on (c.mydate = c7.mydate)
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 where RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 8 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c8 on (c.mydate= c8.mydate)
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 where RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 9 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c9 on (c.mydate = c9.mydate)
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 WHERE RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 1 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c1 on (c.mydate = c1.mydate)
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 WHERE RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 2 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c2 on (c.mydate = c2.mydate)
left join
(select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate, count(1) cnt from SCOTT.SCDATABASE4 WHERE RECORDDATE> TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND ID = :P2_ID AND RECORDDATE< TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS') AND CLASS = 4 group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')) c4 on (c.mydate = c4.mydate)
order by c.sort I have oracle 11g working with Apex 4.1. I used the SQL workshop's explain plan:
Operation     Options     Object     Rows     Time     Cost     Bytes     Filter
Predicates *     Access
Predicates
SELECT STATEMENT
          66     703     58,573     9,966
SORT
ORDER BY          66     703     58,573     9,966
HASH JOIN
RIGHT OUTER          66     703     58,572     9,966          "C"."MYDATE" = "C1"."MYDATE"(+)
VIEW
          1     101     8,358     22
HASH
GROUP BY          1     101     8,358     18
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     1     101     8,357     18     "CLASS" = 1 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
HASH JOIN
OUTER          66     603     50,214     8,514          "C"."MYDATE" = "C2"."MYDATE"(+)
HASH JOIN
OUTER          66     503     41,853     7,062          "C"."MYDATE" = "C4"."MYDATE"(+)
HASH JOIN
OUTER          66     402     33,494     5,610          "C"."MYDATE" = "C9"."MYDATE"(+)
HASH JOIN
OUTER          66     302     25,135     4,158          "C"."MYDATE" = "C8"."MYDATE"(+)
HASH JOIN
OUTER          66     202     16,777     2,706          "C"."MYDATE" = "C7"."MYDATE"(+)
VIEW
          66     102     8,418     1,254
HASH
UNIQUE          66     102     8,418     1,188
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     66     102     8,417     1,188     "ID" = TO_NUMBER(:P2_ID) AND ("CLASS" = 1 OR "CLASS" = 2 OR "CLASS" = 4 OR "CLASS" = 7 OR "CLASS" = 8 OR "CLASS" = 9) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
VIEW
          1     101     8,358     22
HASH
GROUP BY          1     101     8,358     18
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     1     101     8,357     18     "CLASS" = 7 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
VIEW
          1     101     8,358     22
HASH
GROUP BY          1     101     8,358     18
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     1     101     8,357     18     "CLASS" = 8 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
VIEW
          1     101     8,358     22
HASH
GROUP BY          1     101     8,358     18
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     1     101     8,357     18     "CLASS" = 9 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
VIEW
          15     101     8,359     330
HASH
GROUP BY          15     101     8,359     270
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     15     101     8,358     270     "CLASS" = 4 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
VIEW
          49     101     8,361     1,078
HASH
GROUP BY          49     101     8,361     882
FILTER
                              TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
TABLE ACCESS
FULL     SCDATABASE4     49     101     8,360     882     "CLASS" = 2 AND "ID" = TO_NUMBER(:P2_ID) AND "RECORDDATE">TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS') AND "RECORDDATE"<TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
From this I gather that the full database access is a bad thing, but do not know how to prevent it. I would appreciate any help and sorry for the long post!!

End Of (rather busy) Week: Friday evening but your query
select null,c.mydate label,c7.cnt "Rattle",c8.cnt "Climb",c9.cnt "Kick",c1.cnt "Footstep",c2.cnt "Vehicle",c4.cnt "Start"
from (select unique
               TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               TO_CHAR(RECORDDATE,' yyyy-mm-dd HH24:MI') as sort
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND (CLASS in (7,8,9,1,2,4))
       ) c
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 7
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c7
    on (c.mydate = c7.mydate)
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt
          from SCOTT.SCDATABASE4
         where RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 8
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c8
    on (c.mydate= c8.mydate)
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt from SCOTT.SCDATABASE4
         where RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 9
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c9
    on (c.mydate = c9.mydate)
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 1
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c1
    on (c.mydate = c1.mydate)
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 2
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c2
    on (c.mydate = c2.mydate)
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               count(1) cnt from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS = 4
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI')
       ) c4
    on (c.mydate = c4.mydate)
order by c.sortseems just
select null,
       c.mydate label,
       case when gc.CLASS = 7 then gc.cnt end "Rattle",
       case when gc.CLASS = 8 then gc.cnt end "Climb",
       case when gc.CLASS = 9 then gc.cnt end "Kick",
       case when gc.CLASS = 1 then gc.cnt end "Footstep",
       case when gc.CLASS = 2 then gc.cnt end "Vehicle",
       case when gc.CLASS = 4 then gc.cnt end "Start"
from (select unique
               TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               TO_CHAR(RECORDDATE,' yyyy-mm-dd HH24:MI') as sort
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND (CLASS in (7,8,9,1,2,4))
       ) c
       left join
       (select TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI') as mydate,
               CLASS,
               count(1) cnt
          from SCOTT.SCDATABASE4
         WHERE RECORDDATE > TO_TIMESTAMP(:P2_DATE,'DD-MON-YYYYHH24:MI:SS')
           AND ID = :P2_ID
           AND RECORDDATE < TO_TIMESTAMP(:P2_DATE2,'DD-MON-YYYYHH24:MI:SS')
           AND CLASS in (7,8,9,1,2,4)
         group by TO_CHAR(RECORDDATE,'MM/DD/YY HH24:MI'),CLASS
       ) gc
    on c.mydate = gc.mydate
order by c.sortRegards
Etbin

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I am able to customize this again in this version
But When I have done same thing in Apex 4.1
I am able to see the output .but When I try to change the color and click on chart attributes it throws an error showing no data found
Kindly help me in solving this error .

Hi,
To assist in resolving your issue, could you please outline the steps you've carried out in your 4.1 environment? Also, could you please confirm exactly what version of APEX you are referring to - 4.1.0 or 4.1.1?
Regards,
Hilary

Apex 3.1 and Custom Flash Charts

I am having difficulty getting to the point where my custom flash charts can be displayed. I have Oracle 10.2, over OHS to Apex 3.1. I cannot post any of the config files or code here because it is a different network, so I realize it will be hard to troubleshoot; and I apologize in advance.
I would use the canned Flash charts, but my application displays data much like MS Outlook's multi-user calendar does. The chart has to be color coded, similar to Outlook's Busy vs Tentative etc. It has to show multiple events at various times, including overlapping times. And it has to handle schedules for multiple people. Lastly, there are of course gaps in the schedule, because no day is comprised entirely of meetings. That is why I felt I had to do it manually.
I wrote XML/SVG code to do this previously, with HTML DB 1.5, and it worked fine. But Flash is the way we are going now, and I can't use SVG anymore. (Besides, Adobe says SVG will no longer be supported next year.)
I followed the thread of April 07 in which MAdelfio posted suggestions, but I can't get it right. I did everything listed except I never included the <data>...</data> code, because I am not sure where it goes. I have a custom written stored proc, exactly like in the thread, and I pass it all the args that apex_util.flash wants. I get a malformed XML message when I try to display the chart. That seems like it should be a very straight forward error, but I can't figure out where to look. I have been using 1.5 for about a year, and last month upgraded to 3.1.
Any suggestions on how to troubleshoot this? Or, failing that, any simple examples that display Flash charts in which the code was generated by a stored procedure?
Thanks,
Michael

I'm sorry about not being able to provide all the info you need. Since it is on a totally separate network, with no access to the outside world, the only way I can do it is to print and retype everything. So I was hoping that someone could just provide suggestions as to where to look rather than providing answers. I understand that it is impossible for you to solve my problems, especially when you have been given no real information. And I don't want to keep you guessing -- I'd love to be able to just show everything and ask for help; I just can't.
Anyway, I am trying to use only those facilities provided with Apex. I do not have any 3rd party tools except for Perl. I am using the standard shockwave flash plugin for Mozilla. The way I did it with SVG was to create a stored procedure that generated an XML file. I put a button on the page that ran the stored proc and then redisplayed the page, with an HTML region. That region included an iframe, where the source was a perl script that merely regurgitated the SVG script (for some reason I could not get the iframe to accept XML as a source, so I created send_svg.pl, which merely outputted the named SVG file).
The format I followed was in this thread: Re: Custom Flash Charts
I even created a replacement proc for APEX_UTIL.FLASH with the exact output as the thread, knowing that even if it worked I'd still have a ton of work making it produce my chart. But once I can get the infrastructure right, I feel I can write the flash XML.
Maybe the easiest thing is to scan that thread I referenced and tell me if it is still accurate? That is, could anything have changed in 3.0.1, or should it still work? It is possible, maybe even likely, that I made a mistake retyping all that stuff, so maybe just verifying that it SHOULD work is a good start.
Thanks again, and sorry again.
Michael

APEX 3.0 - flash chart using 'Omit label interval'- missing lines in legen

Hi,
we are using APEX 3.0 on XE as development database.
Using the option "omit label interval" in the flash chart configuration, the legend will show the entries the same way as the x-axis.
For example:
setting omit label interval to 23 to get only one entry per day on the x-axis (we have one value for every hour of the day and want to display the chart on monthly base). My chart containing 2 series will show only the legend entry for the first serie.
How can I display the second one ?
Greetings
Marco

Marco,
Unfortunately, that's a bug in APEX 3.0. The 3.0.1 patch set will include a fix for it.
Marco

Apex flash Chart not working after upgrade to #5.1.3

Hi,
I am using oracle apex 4.0,database11g and i upgraded the apex flash chart to #5.1.3, also i am using the partial page refresh (html_PPR_Report_Page) in every 5 sec time interval.
However after about 5 seconds the charts dissapear and never come back unless you manually refresh the browser.
Could y please suggest.
Regards,
Saroj

Like junkyardheart, mine cleared up. After talking with tech support for 2 to 3 hours trying all kinds of things they opened a ticket to have a technician checkout the local cell tower. The next day tech support called me and I told them it was worse. Then they had started looking at my past reports on "Mark the Spot" app and open several more tickets and had a crew checkout the area.
I received a call two days later and they had two bad cell sites. With the next day being Saturday they had the whole weekend scheduled as an outage to fix the problems. By noon on Saturday everything was great.
I even checked out my download speed using a few speed apps and I was pulling 2-3 Mbps down and pushing 1+ Mbps up.
I think the update exposed a serious problem that had existed for a while.

Slow flash chart loading in Apex due to SQL performance!

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