Problem in audio conferencing using Flex and FMS3.0

Hi Everyone,
I am trying to achieve audio conferencing using Flex and
FMS3.0
Currently I am following an approach where all the persons in
voice conference publish their voice on flash media server using
NetStream.Publish() function and all persons listen to the streams
published by all other members in the conference using
NetStream.Play() function. I am using a shared array on server side
to keep track of all the persons present in the conference. The
problem I am facing is that sometimes all the persons are able to
hear the voice of each other but other times audio of some persons
is not audible to others. Even if voice comes then there is echo
and one can hear the sound 3-4 times depending on the amplitude of
the sound. I have also used Microphone.setUseEchoSuppression(true)
to suppress the echo but it is not effectively suppressing it. If
someone has faced similar problems in past please let me know the
solution. Thanks in advance.
Regards,
Pankaj

I know.. but it was wrapped as jar or war files..
I searched all over my harddrive to find something named like org.apache or jdbc.clientDriver...and so on..with no result.
and I unziped derby.jar or derbyclient.jar etc.. also with no result.
It's like the driver has hiden somewhere like viruses...at least to me..
Edited by: dewyone on Dec 25, 2007 1:48 PM

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Please Help! Problem with 'whistle' when using Audition and Premeire Pro 1.5 with Audigy

I hope someone can help with this problem. The start of these messages is at the bottom. Any suggestions would be most welcome...Bill Allen
Hi David (00)... Thanks for your reply. I just wanted to let you know
that I am going to post all of this correspondence on as many Creative
forums that I can find in hopes of finding someone that help with this
problem.
I will advise you of the results
Thanks again...Bill Allen
----- Original Message -----
From: "Creative Americas Customer Support"
To: "Bill Allen"
Sent: Saturday, February , 2006 :39 AM
Subject: Re: Creative System Information (English : Adobe Premeire Pro .5
and Adobe Audition) (KMM987992I6636L0KM)
> Sir,
>
> The only time that I've see a random tone being generated as you
> decribe, it was necessary to update the system bios to correct.
>
> While we are able to playback and record with the card and it's included
> software, Adobe continues to not allow you to monitor what you're
> recording. As best we can tell, there's nothing wrong with the card and
> I would urge you to check with Adobe for any "monitor recording"
> switches that may be in their software.
>
> For faster service please reply with previous correspondence when
> replying to this email.
>
> Best Regards
> ,
>
> David (00)
> Team Specialist
>
> Technical Support
> Creative Labs Americas
>
>
>
> To provide feedback on your "Creative Experience" please click on the
> following link:
>
Link removed
>
> This link is provided so that you may provide feedback on your "Creative
> Experience". If you require further troubleshooting or have additional
> questions simply reply to the original mail and we will be glad to
> assist you.
>
> Original Message Follows:
> ------------------------
> Jeen... I appreciate, very much, your reply. But I don't appreciate
> trying
> to be 'ping ponged' back and forth between Creative and Adobe. While I
> realize that you can only deduce a solution from what I tell you, I
> believe
> that if you re-read my description of the problem you will realize that
> the
> problem is with the sound card and it's associated software. Otherwise
> why
> would the system work as expected when it it turned on the next morning?
>
> I would also like to know where the 'tone' comes from. When recording
> video segment (with audio) through the firewire connection of the
> Creative Audidgy 2ZS card, after a short while the audio is replaced with a
> constant tone (as I said, it is about 200 Hz). If I record the video thru the
> Firewire connection and the audio through the 'Line-In' connection,
> there is no problem with the recording the audio track 'tone free'. However,
> sometimes but not always, when the audio is played back the tone will
> appear. This has happened with both Adobe Premeire Pro .5 and Adobe
> Audition. It is not in the audio track of Adobe Premeire Pro .5 or
> Adobe Audition, so the problem must lie with the Creative Audigy 2ZS card or
> it's associated software. I'm sure your audio engineers have knowledge of
> this problem and I would appreciate an answer.
>
> Thanks...Bill Allen
>
> ----- Original Message -----
> From: "Creative Americas Customer Support"
>
> To: "Bill Allen"
> Sent: Friday, February 0, 2006 2:5 AM
> Subject: Re: Creative System Information (English : Adobe Premeire Pro
> .5
> and Adobe Audition) (KMM9780I6636L0KM)
>
>
>> Dear Bill,
>>
>> Thank you for replying back to Creative Technical Support.
>>
>> With regards to your issue, I understand that you are having
> difficulty
>> getting the audio to record from the applications Adobe Premiere Pro
> .5
>> and therefore not sound during the playback.
>>
>> As you have verified that the sound card is working properly with the
>> other applications on recording or playback, this could be due to the
>> improper setup for the audio in the Premiere Pro .5.
>>
>> You may like to refer to Adobe for assistance on the configuration of
>> the audio settings as we are not in a better position to advise you on
>> third party software.
>>
>> Should you have not sound or issues with our software, please feel
> free
>> to contact us so that we can assist you.
>>
>> For faster service please reply with previous correspondence when
>> replying to this email.
>>
>> Best Regards
>> ,
>>
>> Jeen
>> Technical Support
>> Creative Labs Americas
>>
>>
>>
>> To provide feedback on your "Creative Experience" please click on the
>> following link:
>>
Link removed
>>
>> This link is provided so that you may provide feedback on your
> "Creative
>> Experience". If you require further troubleshooting or have additional
>> questions simply reply to the original mail and we will be glad to
>> assist you.
>>
>> Original Message Follows:
>> ------------------------
>> Ronshone... Thanks for your reply.
>>
>> Here is the information you requested:
>>
>> Sound Blaster Audigy 2ZS
>> PID: 0 03 50 00 00 00 02
>> Driver Ver: 2.8.4
>> Firmware : 0.0.0
>> Model: SB.0350
>> Serial Number: MSB0350472004288E
>> Ink stamp: 50SPT470D
>>
>> The Audigy 2ZS is the only sound card installed
>> The Audigy 2ZS card is at least one slot away from the graphics card.
>> The Audigy 2ZS card is one slot away from another card.
>> The Audigy 2ZS card is properly seated in the PCI slot.
>> The PC's internal wires have been moved away from the Audigy 2ZS card
> .
>> The 'on-board' sound is disabled thru the BIOS.
>> The 'on-board' game port is disabled thru the BIOS.
>> The XP Pro operating system is up to date with all updates.
>> There were no background operation going at the time of the tests.
>> The anit-virus program was closed
>> The CPU is not overclocked.
>> And, I am the Administrator.
>>
>> The card came in a Creative retail Box along with the input unit that
>> mounts
>> in the dri've bay. I can't recall what that is called.
>>
>> I have relocated the sound card to a slot that is 4 slots away from
> the
>> graphics card and slot away from another card, in this case an
>> additional
>> IDE dri've controller.
>>
>> I have performed the test you outlined. I found that I had to record
>> using
>> the 'line in' source input. And I had to playback using the 'wave'
>> source.
>> As far as that test is concerned, everything worked. However when I
>> bring
>> up Adobe Premeire Pro .5 I do not hear the audio when capturing, and,
>> even
>> though the audio meters in Premeire Pro in indicate that there is
> audio
>> playing from the audio track on playback, I hear nothing from the
>> speakers.
>>
>> I then brought up the Creative Speaker Settings requester and did a
>> diagnostic test. All tests indicated "pass". But when I click on the
>> 'Speaker Settings' and perform the 'Speaker Test' I hear nothing. I
>> should
>> add that in both mixers, the Creative Surround Mixer and the Play
>> Control
>> mixer, all inputs and outputs are selected (not muted). Also when I
>> performed this same test yesterday the 'Speaker Test' worked fine.
>>
>> On rebooting, the 'Windows XP' sound is heard from the speakers.
>> Bringing
>> up Adobe Premeire Pro .5, the audio played as expected. The 'Speaker
>> Test'
>> in the Creative Surround Mixer also worked as expected.
>>
>> I then recorded the rest of my program using the Adobe Premeire Pro
> .5
>> 'Capture' requester and when I tried to playback from within Adobe
>> Premeire
>> Pro .5 all I got was a constant tone (about 200 Hz), even though the
>> audio
>> meters in Adobe Premeire Pro .5 indicated that the audio was good and
>> had
>> no constant tone.
>>
>> I rebooted the computer and brought up Adobe Premeire Pro .5 and my
>> program. Without making any changes to either mixers, Adobe Premeire
> Pro
>> .5
>> performed, and the sound played, as expected. In the 'Play Control'
>> mixer
>> only the 'wave' was acti've. All the rest were muted. It was the same
>> for
>> the 'Creative Surround Mixer'.
>>
>> I am at a loss as to what the problem is. Any help would be
>> appreciated.
>>
>> ...Bill Allen
>> ----- Original Message -----
>> From: "Creative Americas Customer Support"
>> @customercare.creative.com
>> To: "Bill Allen"
>> Sent: Monday, February 06, 2006 9:42 PM
>> Subject: Re: Creative System Information (English : Adobe Premeire Pro
>> .5
>> and Adobe Audition) (KMM933384I6636L0KM)
>>
>>
>> Dear Bill,
>>
>> Thank you for contacting Creative Technical Support.
>>
>> With regards to the issue you are having, I would really appreciate it
>> if you can provide me with the model number of the sound card. It
>> should
>> start with CT or SB followed by 4 numbers found on the sound card. I
>> also need the serial number which can be found on the sticker and the
>> ink stamp which is printed on the back of the card. This number will
>> not
>> be located on any of the stickers and it will not be labeled. It is a
>> number that has been stamped on the card itself, possibly near the
>> outer
>> edge of the card to determine the best advice for you.
>>
>> Did the sound card come pre-installed in the PC, comes in a plastic
>> cover or brown box or did it come in a Creative retail box package?
>>
>> Below is a link that may help with the location of the model number.
>>
>> Run a keyword search for SID2456 from the link below.
>>
Link removed
>>
>> I also need you to try the following recording test.
>>
>> SELECT THE RECORDING SOURCE IN SURROUND MIXER
>> . Go to Start Programs Creative SB Audigy Surround Mixer
>> 2. Click on the Recording Source (should be on the right side of the
>> mixer under the REC label)
>> 3. Change the recording source to Analog Mix
>> 4. Mute the other analog sources (Mic, CD Audio, Auxiliary, Tad, PC
>> speaker) that you don't want recorded with the audio stream.
>> 5. You may wish to select "record without monitoring" by click on the
>> (+) above the Analog Mix recording source. This keeps the source from
>> playing out to speakers while recording
>>
>> TEST RECORD THE AUDIO
>> . Go to Start Programs Accessories Multimedia Sound Recorder.
>> 2. Click the Record button (red dot)
>> 3. Talk into the microphone
>> 4. Let it record the source for a little bit
>> 5. Hit the Stop button (black square)
>> 6. Hit the play button (single arrow pointing right)
>> 7. You should now hear the audio that you recorded.
>>
>> If you are still having issues, I recommend you to ensure the
> following
>> for the audio installation and test:
>>
>> - The card is the only card installed other than the Graphics card.
>> - The card is at least one empty slot away from the Graphics card.
>> - Place the soundcard away from all the others.
>> - That the card is seated properly in the PCI slot.
>> - Move the PC's internal wires away from the soundcard.
>> - That the on-board sound on your motherboard is disabled through the
>> BIOS.
>> - That the on-board gameport is disabled through the BIOS.
>> - That your motherboard BIOS is up-to-date.
>> - That the operating system is up-to-date with the latest service
> packs
>> and patches.
>> - That there are no background applications open when you attempt the
>> solution.
>> - That the anti-virus program is disabled.
>> - That if you are over-clocking your system, return all options to
>> their
>> recommended settings.
>> - That you access the PC with administrator rights.
>>
>> Do reply back to me if you are still having problems with any error
>> messages prompted. Thanks.
>>
>> For faster service please reply with previous correspondence when
>> replying to this email.
>>
>> Best Regards
>> ,
>>
>> Ronshone
>> Technical Support
>> Creative Labs Americas
>>
>>
>>
>> To provide feedback on your "Creative Experience" please click on the
>> following link:
>>
Link removed
>>
>> This link is provided so that you may provide feedback on your
>> "Creative
>> Experience". If you require further troubleshooting or have additional
>> questions simply reply to the original mail and we will be glad to
>> assist you.
>>
>> Original Message Follows:
>> ------------------------
>> User Detail
>> ----------------------------------------
>> Name : Bill Allen
>> Email Address : [email protected]
>> Self Description : Intermediate PC User
>>
>> Creative Product Information
>> ----------------------------------------
>>
>> Problem Type : I need help with a third-party software application
>>
>> Problem lies with:
>> ----------------------------------------
>> Adobe Premeire Pro .5 and Adobe Audition
>>
>> Customer's System Specification
>> ----------------------------------------
>>
>>
>> Detailed Problem Description
>> ----------------------------------------
>> I can hear sound from my computers speakers. The diagnostic tests
>> performed by the Creative software are all "OK", but I cannot record
>> audio with either of the two programs mentioned above. I have checked
>> everything I can think of and all of the settings appear to be "OK".
> I
>> have also updated the driver for the sound card. What can I do?
>>
>> Attachment :
>> [ Attachment Type: application/octet-stream Name: CTSi.cab]

TeamRacing6 wrote:
b noir,
I can get itunes to start if I disable Bonjour or if I "repair" it first. Sometimes I can repair Bonjour though add/remove programs, sometimes it will only "repair" using WinRar. Sometimes I have to "repair" Bonjour 2 or 3 times to get iTunes to start.
I have tried uninstalling and reinstalling at least a dozen times. I have tried redownloading iTunes at least 5 times and from different links. This leads me to believe that the dnssd.dll file is not itself corrupt, but this newest version is causing a conflict with XP somewhere somehow.
Team, iTunes 10.2.2.12 has just been released. I installed it and checked, and BonJour's been updated to version 2.0.5.0, and there's a new 2.0.5.0 version of dnssd.dll on my system. So I reckon it's worth a try updating to that to see if it's of any help with your trouble.

Audio Conferencing using Cirrus?

Hi there -
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My ReelPortal app does just that, except it also have video (which you don't have to turn on). Here's a short description:
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Cfc error when using Flex and RemoteObject (cross post)

I have Flex 3.0.214193 and CF 8,0,0,176276 and Oracle
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I've been search for several days for an answer to this one.
There is very little out there about this type of error, but then
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Here's the .cfc code (is that where the error is, or is it in
Flex?). The UpdateDescription function works, but the UpdateEng
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Ian,
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function call, I didn't do anything with it is the .cfc just
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exist.
I changed the .cfc so that the newENGRemark was not required
or had a default. In both cases the .cfc just skipped to the next
parameter and said it didn't exist. But I was passing a litteral,
it wasn't even a variable.
I created a .cfm page that did a cfinvoke on the .cfc, and
passed it two litterals. That worked fine. So that makes it look
like some sort of syntax error in the Flex. So I deleted the call
to the UpdateENG, copied the UpdateDescription call (because it
works), changed just the minimum to make it work, but it didn't
work.
I think I am going to restructure the database so that I can
do what I need to with just one update function, that seems to
work.
It still doesn't make any sense.
Scott (Flex code is attached)

How can I Access the Flash "Slide class" using flex and ActionScript 3?

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Sirs,
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Thanks in advance for your help.
titanium 1ghz Mac OS X (10.3.8) Logic Platinum 7.1 - Mbox audio card

No MBox, but I just patch my turntable into a phono preamp I bought at Radio Shack about 25 years ago (in order to have RIAA equalization) and the preamp outs into your interface and you can record like normal.

Help Needed in developing simple Chatting application using flex and blazeds

Hi,
I followed this tutorial from adobe http://learn.adobe.com/wiki/display/Flex/Creating+a+BlazeDS+messaging+application+in+Flex+ Builder i installed tomcat server and set the path.I am unable to open server like this http://localhost:8080 but i can able to open that in this way http://127.0.0.1:8080/ .... When i create my new flex project in flash builder 4 i am getting this error
You do not have write permission for the project output folder. Specify another location.
can any one help me in how to get rid of this problem.I hope this forum helps me in finishing my flex project..
Thanks
Trinethra

Hi,
Need to use a scrollable resultset and depending on the need to have a stateful connection or a stateless connection you may need to query the table for every request(for stateless connection) and use the same result set for(stateful connection). and depending on the no of records in a page and the page no do some simple arithmetic and move the resultset. Hope this helps.
rajesh

Problem with audio quality using Record Audio Comment

I am recording audio comments in Adobe Acrobat Professional using the "Record Audio Comment" tool. The sound quality is bad--very scratchy and has a noisy hum. I am using a good USB headset/microphone. Recordings outside of Acrobat are fine, e.g., in Audacity. I have tried two different microphones with both Acrobat 8 and 9 on two different computers (a desktop and a laptop) with similar results.
I have not found an audio quality setting in Acrobat. Is there some way to improve the audio quality when recording comments? I suspect Acrobat is compressing the audio so much in order to save file size, however, the poor quality makes it almost unusable.
Thanks in advance for any suggestions or advice. I know I can record outside of Acrobat and then add the pre-recorded audio as a comment, but that defeats the purpose.
Bev

Sorry to hear you are having problems.
A few things you can try:
1. Turning the volume of your TV up too high during a call can cause the kinds of audio problem you describe. Try turning the TV volume down and this should stop the 'feedback' problems you are having.
2. If you are using external speakers, then try switching these off and using the speakers built in to the TV. The TV was originally tested for Skype using the TV's internal speakers, so if you have a soundbar or other external speakers connected, the audio performance may suffer on Skype calls.
Best wishes

Problem with audio quality using Vizio WebCam on V...

I'm using an Vizio XCV100 Internet Apps TV Video Camera connected via a USB port on a Vizio model E401I-A2 to Skype with my daughter. The audio is terrible. The audio is broken up (comes and goes) and lags behind the video. Sometimes there is feedback and an ongoing wind noise. I tried the Skype Echo/audio test and I get some wind noise but nothing like what happens when actually Skyping to daughter. We have ruled out the other end (daughter's eqmt) which happens to be a Vizio TV and Vizio Camera. she has no problems Skyping with others or with us using our laptop. We returned our first Vizio Camera and got another camera and have the same problem! Very frustrating. Someone mentioned we may need a filter, etc. Any and all support greatly appreciated.

Sorry to hear you are having problems.
A few things you can try:
1. Turning the volume of your TV up too high during a call can cause the kinds of audio problem you describe. Try turning the TV volume down and this should stop the 'feedback' problems you are having.
2. If you are using external speakers, then try switching these off and using the speakers built in to the TV. The TV was originally tested for Skype using the TV's internal speakers, so if you have a soundbar or other external speakers connected, the audio performance may suffer on Skype calls.
Best wishes

Problem with Join Queries using PHP and an Orcale Database

Ok, I am trying to build a simple php querying tool for my oracle database and for the most part it is working however I am having a problem getting data from my join queries. If I run the following query :
QUERY:
SELECT lastfirst,EnteredBy,Debit FROM students sts JOIN GLDetail gl ON gl.studentid=sts.id
RESULT SET:
Lastfirst     EnteredBy     Debit
caiu, test      204     1
But when I run the query correctly I get no results
QUERY:
SELECT sts.lastfirst,gl.EnteredBy,gl.Debit FROM students sts JOIN GLDetail gl ON gl.studentid=sts.id
RESULT SET:
sts.lastfirst     gl.EnteredBy     gl.Debit
and if I run the query combining the two above methods and adding a field (schoolid) that has the same name on both table I get the following result sets
QUERY:
SELECT lastfirst,EnteredBy,Debit,sts.schoolid FROM students sts JOIN GLDetail gl ON gl.studentid=sts.id
RESULT SET:
lastfirst     EnteredBy     Debit     sts.schoolid
caiu, test      204     1
QUERY:
SELECT lastfirst,EnteredBy,Debit,schoolid FROM students sts JOIN GLDetail gl ON gl.studentid=sts.id
RESULT SET:
NONE
Therefore, I have to have something written incorrectly in my php code and I just can not figure it out. My entire code is pasted below please provide me with an assistance you might have to offer. I have change the odbc_connec line so I could post it to this forum. In addition, I had to phrase out the column headers there for when you write the column headers you have to use ~ instead of , as the separator and then I turn back into the correct format for sql.
//These scripts just open help windows if somone clicks on the icon
<script>
function submit()
{document.sqlform.submit();}
</script>
<script>
function colwin(){
window.open("colnames.php",null,"height=300,width=400,scrollbars=1");}
</script>
<script>
function tabwin(){
window.open("tablenames.php",null,"height=300,width=400,scrollbars=1");}
</script>
<script>
function help(){
window.open("http://www.w3schools.com/sql/default.asp",null,"height=500,width=700,scrollbars=1");}
</script>
<form method="post" action="<?php echo $PHP_SELF;?>" name="sqlform">
<?php
//Cookie to check for authorization to the site
if($_COOKIE['cookie']=="CheckCookieForAuth")
//These get the values of the textareas after the form has been submitted
$sqlSELECT = $_POST["SELECT"];
$sqlFROM = $_POST["FROM"];
$sqlJOIN = $_POST["JOIN"];
$sqlWHERE = $_POST["WHERE"];
$sqlOTHER = $_POST["OTHER"];
$sqlSELECTTYPE = $_POST["SELECTTYPE"];
//This is the variable used to parse out my headers the user entered
$sqlColNames = split('~',$sqlSELECT);
//This converts the ~ separator to , so I can actually use it as part of my sql string
$search = array('~');
$replace = array(',');
$mystring = $sqlSELECT;
$sqlString = str_replace($search, $replace, $mystring);
//These are the textareas and the drop down options that the end users has to create queries
echo "<table border=0>";
echo "<tr><td valign='top'>";
echo "<B>SELECT TYPE</B> <BR><SELECT NAME=SELECTTYPE>
<OPTION VALUE='SELECT' SELECTED>SELECT</OPTION>
<OPTION VALUE='SELECT DISTINCT'>SELECT DISTINCT</OPTION>
<OPTION VALUE='INSERT'>INSERT</OPTION>
<OPTION VALUE='UPDATE'>UPDATE</OPTION>
<OPTION VALUE='DELETE'>DELETE</OPTION>
</SELECT>";
echo "</td><td>";
echo "<textarea rows=2 cols=75 name=SELECT wrap=physical>$sqlSELECT</textarea>";
echo "</td><td valign='top'>";
echo "<img src='images/sqlC.jpg' width='25' height='25' onclick='colwin()'>";
echo "</td></tr>";
echo "<tr><td valign='top'>";
echo "<b>FROM</b>";
echo "</td><td>";
echo "<textarea rows=2 cols=75 name=FROM wrap=physical>$sqlFROM</textarea>";
echo "</td><td valign='top'>";
echo "<img src='images/sqlT.jpg' width='25' height='25' border=0 onclick='tabwin()'>";
echo "</td></tr>";
echo "<tr><td valign='top'>";
echo "<b>JOIN</b>";
echo "</td><td>";
echo "<textarea rows=2 cols=75 name=JOIN wrap=physical>$sqlJOIN</textarea>";
echo "</td></tr>";
echo "<tr><td valign='top'>";
echo "<b>WHERE</b>";
echo "</td><td>";
echo "<textarea rows=2 cols=75 name=WHERE wrap=physical>$sqlWHERE</textarea>";
echo "</td></tr>";
//This is where the end user would enter group by, having, order by, etc..
echo "<tr><td valign='top'>";
echo "<b>OTHER</b>";
echo "</td><td>";
echo "<textarea rows=2 cols=75 name=OTHER wrap=physical>$sqlOTHER</textarea>";
echo "</td></tr>";
This is a run query icon and a help icon
echo "<tr><td colspan=2 align=right>";
echo "<img src='images/RunQuery.jpg' width='30' height='28' onclick='submit()'> <img src='images/qm.jpg' border=0 width='25' height='25' onclick='help()'>";
echo "</td></tr></table>";
echo "<br>";
echo "<br>";
//This is where I connect to my remote oracle database
     $conn=odbc_connect('ODBC_ConnectionName','USERNAME','PASSWORD');
//This is the sql string created by the end users
     $sql="$sqlSELECTTYPE $sqlString FROM $sqlFROM $sqlJOIN $sqlWHERE $sqlOTHER";
//This executes the connection string and the sql string
     $rs=odbc_exec($conn,$sql);
//This will display the query or a message if the query is empty
     if($rs!=NULL){
     echo "<table border=1>";
     echo "<tr>";
//This loops through the string array the end user enter the field name text area to get column headers
     for($i=0; $i<count($sqlColNames); $i++)
     echo "<td>";
     print_r($sqlColNames[$i]);
     echo "</td>";
     echo "</tr><tr>";
//This actually fetchs the rows from the statement and then display the data based on the column names the end user speificed
     while (odbc_fetch_row($rs))
          for($i=0; $i<count($sqlColNames); $i++)
               $results=odbc_result($rs,$sqlColNames[$i]);
               echo "<td>$results</td>";
          echo "</tr>";
     odbc_close($conn);
     echo "</table>";}else{echo "Results will be displayed here";}
echo "<br><br>";
echo $sql;
else
echo "Not logged in";
?>
</form>

This looks more like a SQL question than a PHP issue. There are a couple of JOIN examples at http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/statements_10002.htm#i2066611 that might you work through the problem.

Urgent: Performance problem with where clause using IN and an OR condition

Select statement is:
select fl.feed_line_id
from ap_expense_feed_lines_all fl
where ((:1 is not null and
fl.feed_line_id in (select distinct r2.object_id
from xxdl_pcard_wf_routing_lists r2,
     per_people_f hr2
where upper(hr2.full_name) like upper(:1||'%')
          and hr2.person_id = r2.person_id
and r2.fyi_list is null
          and r2.sequence_number <> 0))
or
(:1 is null))
If I modify the statement to remove the "or (:1 is null))" part at the bottom of the where clause, it returns in .16 seconds. If I modify the statement to only contain the "(:1 is null))" part of the where clause, it returns in .02 seconds. With the whole statement above, it returns in 477 seconds. Anyone have any suggestions?
Explain plan for the whole statement is:
(1) SELECT STATEMENT CHOOSE
Est. Rows: 10,960 Cost: 212
FILTER
(2) TABLE ACCESS FULL AP.AP_EXPENSE_FEED_LINES_ALL [Analyzed]
(2) Blocks: 8,610 Est. Rows: 10,960 of 209,260 Cost: 212
Tablespace: APD
(6) TABLE ACCESS BY INDEX ROWID HR.PER_ALL_PEOPLE_F [Analyzed]
(6) Blocks: 4,580 Est. Rows: 1 of 85,500 Cost: 2
Tablespace: HRD
(5) NESTED LOOPS
Est. Rows: 1 Cost: 4
(3) TABLE ACCESS FULL XXDL.XXDL_PCARD_WF_ROUTING_LISTS [Analyzed]
(3) Blocks: 19 Est. Rows: 1 of 1,303 Cost: 2
Tablespace: XXDLD
(4) UNIQUE INDEX RANGE SCAN HR.PER_PEOPLE_F_PK [Analyzed]
Est. Rows: 1 Cost: 1
Thanks in advance,
Peter

Thanks for the reply, but I have already checked what you are suggesting and I am pretty sure those are not causing the problem. The hr2.full_name column has an upper index and the (4) line of the explain plan shows that index being used. In addition, that part of the query executes on its own quickly.
Because the sql is not displayed in an indented format on this page it is a little hard to understand the structure so I am going to restate what is happening.
My sql is:
select a_column
from a_table
where ((:1 is not null) and a_column in (sub-select statement)
or
(:1 is null))
The :1 bind variable is set to a varchar2 entered on the screen of an application.
If I execute either part of the sql without the OR condition, performance is good.
If the :1 bind variable is null with the whole sql statement (so all rows or a_table are returned), performance is still good.
If the :1 bind variable is a not-null value with the whole sql statement, performance stinks.
As an example:
where (('wa' is not null) and a_column in (sub-select statement)) -- fast
where (('wa' is null)) -- fast
where (('' is not null) and a_column in (sub-select statement) -- fast
or
('' is null))
where (('wa' is not null) and a_column in (sub-select statement) -- slow
or
('wa' is null))

Problem in audio conferencing using Flex and FMS3.0

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