Multiple Queries in Shared Components Report Queries

Hey all,
I am creating a report query which has multiple queries and I am running into to some issues with the builder.
1.Whenever I try to edit a query it always sends me to the same query. (I can see that it is passing a different ID in the url, but the query never changes)
- Ex: I create a report query and add two queries, SELECT 1 FROM DUAL and SELECT 2 FROM DUAL. no matter which querry i try to edit it always shows SELECT 1 FROM DUAL.
2. There is no way to delete individual queries.
- does anyone know a workaround to delete a query? (rather than just deleeting the entire report query)
Cheers,
Tyson Jouglet

This was a bug that has been fixed in APEX version 3.2.1
(its always helpful to list the version you are using along with your question)
If you are using this with a BI publisher report layout, you will also get problems with earlier versions as the rowsets don't always get returned in the correct order.
See this thread for more details....
Bi Publisher result set question
I ended up deleting my whole query and spending a long, careful afternoon adding the 33 queries I had in order one by one having made SURE they were all EXACTLY what I wanted using SQL Developer.
Gus..
You can reward this reply by marking it as either Helpful or Correct
;-)

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http://dgielis.blogspot.com/
http://www.apex-evangelists.com/
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-- http://dgielis.blogspot.com/
-- http://apex-evangelists.com/
-- http://apexblogs.info/

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Message was edited by:
Dogfighter
Message was edited by:
Dogfighter

Hi Marc
Does this make sense to you?
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Message was edited by:
Dogfighter

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Hi John!
Thank you for your reply!
The query looks like:
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Edited by: DiWiNe on 25.02.2010 19:34

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Sruthi Tamiri wrote:
1. Apex version#3.2
Out of date and unsupported...please consider upgrading.
2. IE# 6+
Are you really still trying to support IE6?
When i clik on that specfic tab which is time causing, in that screen contains
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2. Text items
3. List items
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my enviroment is
Apex 3.1.2
Apache Web Server
OC4J Apache FOP
i have 4 Source queries in one Report Query (shared components --> report queries)
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DATA>
     <ROWSET1>
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<query1>AABBCC<\query2>
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<ROWSET2>
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<query2>XXYYZZ<\query2>
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DATA>
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I found the solution.
Anychart seems to have a problem with null values!
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Does anyone know how to call the report query and layout from the Shared components section from a page within the application?

mtbdude40 wrote:
What I need is this: The ability to create a PDF report with a custom header defining the data (example - select * from emp where deptno = :deptno and the header includes the department name).
I use this white paper as my source: http://www.oracle.com/technetwork/developer-tools/apex/learnmore/custom-pdf-reports-1953918.pdf
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I've experimented with 3x queries (header, master,details) but have been unsuccessful. I have some ideas though ("link" master->detail info via XPath stuff within Altova) but haven't gotten around to testing it.
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Yeah
It's
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Cheers
Ben
http://www.munkyben.wordpress.com
Don't forget to mark replies helpful or correct ;)

How do i access multiple bex queries in one crystal reports??

Hello Experts,
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Do my client env need EP? so that SAP BICS Connection will work in IDT?
How do i approach to achive this...
Thank you...

Hi,
have you checked the option "allow external access" in your query? SAP Toolbar will find all queries but the database export needs this flag to be set.
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Actuallly one of our customers is running a report which has more than 20 BEx queries linked together. It runs just fine.
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Using multiple Collections in Report queries

I am using many collections in my Report Queries (where conditions) to create the XML needed for running reports (see where condition below). I name each one with a different collection name. I am seeing some performance issues and it looks like it has to do with the amount of collections I am using. It looks like after around 6 collections used in the query, the sql slows down tremendously. It doesn't matter which ones I use, so it doesn't seem to be a specific one.
Are there issues with using many collections? Should I try using 1 collection and add an identifier to one of the collection columns instead?
where ...
and C.FK_SCHOOL IN (SELECT c001
FROM apex_collections AC1
WHERE AC1.collection_name = 'SIS_REPORTS_SCHOOLS')
and nvl(C.ACTIVE,'NONE') IN (SELECT decode(c001,'NONE',nvl(C.ACTIVE,'NONE'),C001)
FROM apex_collections AC2
WHERE AC2.collection_name = 'SIS_REPORTS_ACTIVES')
and nvl(C5.CALENDAR_NO,'NONE') IN (SELECT decode(c001,'NONE',nvl(C5.CALENDAR_NO,'NONE'),C001)
FROM apex_collections AC3
WHERE AC3.collection_name = 'SIS_REPORTS_SCHOOL_CALENDAR_NOS')
and nvl(C10.CLUSTER_CODE,'NONE') IN (SELECT decode(c001,'NONE',nvl(C10.CLUSTER_CODE,'NONE'),C001)
FROM apex_collections AC4
WHERE AC4.collection_name = 'SIS_REPORTS_CLUSTER_CODES')
and nvl(C4.EMPLOYEE_NUMBER,'NONE') IN (SELECT decode(c001,'NONE',nvl(C4.EMPLOYEE_NUMBER,'NONE'),C001)
FROM apex_collections AC5
WHERE AC5.collection_name = 'SIS_REPORTS_COUNSELORS')
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FROM apex_collections AC6
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and nvl(A1.ETHNIC,'NONE') IN (SELECT decode(c001,'NONE',nvl(A1.ETHNIC,'NONE'),C001)
FROM apex_collections AC7
WHERE AC7.collection_name = 'SIS_REPORTS_ETHNICS')
and nvl(C2.GRADE_LEVEL,'NONE') IN (SELECT decode(c001,'NONE',nvl(C2.GRADE_LEVEL,'NONE'),C001)
FROM apex_collections AC8
WHERE AC8.collection_name = 'SIS_REPORTS_GRADE_LEVELS')
and nvl(C3.HOMEROOM,'NONE') IN (SELECT decode(c001,'NONE',nvl(C3.HOMEROOM,'NONE'),C001)
FROM apex_collections AC9
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and nvl(E2.S_TYPE,'NONE') IN (SELECT decode(c001,'NONE',nvl(E2.S_TYPE,'NONE'),C001)
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and nvl(A.SEX,'NONE') IN (SELECT decode(c001,'NONE',nvl(A.SEX,'NONE'),C001)
FROM apex_collections AC12
WHERE AC12.collection_name = 'SIS_REPORTS_SEXS')
and nvl(C7.SPECIAL_ED,'NONE') IN (SELECT decode(c001,'NONE',nvl(C7.SPECIAL_ED,'NONE'),C001)
FROM apex_collections AC13
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and nvl(A.STUDENT_ID,'NONE') IN (SELECT decode(c001,'NONE',nvl(A.STUDENT_ID,'NONE'),C001)
FROM apex_collections AC14
WHERE AC14.collection_name = 'SIS_REPORTS_STUDENTS')
and A.PK_ID IN (SELECT decode(c001,'NONE',A.PK_ID,AC16.FK_STU_BASE)
FROM student_list_det AC16, apex_collections AC15
WHERE AC15.collection_name = 'SIS_REPORTS_STUDENT_LISTS' and
AC16.fk_student_list (+) = AC15.c001)

Hi,
APEX_COLLECTIONS are special structures that do not have indexes, expect for the one on SEQ_ID. The result is that as the number of collections used in a query increases the number of full table scans on underlying tables kill speed. They are not intended for such heavy use as has been discussed in some of the threads in this forum.
They are extremely useful , but no good for very large data sets or large number of joins. Global temporary tables are also not an option with Apex.
You may have to resort to Materialized Views or intermediate/temp tables to get speed.
Regards,

SSRS Report queries begin running slowly, have to stop and start report server to restore performance

We have had a production issue crop up twice now where reports begin running slowly seemingly at random.
When this happens we can see from running SQL Profiler that the report queries are taking an extremely long time to execute. The same queries when run directly in management studio run quickly.
Initially I suspected parameter sniffing, and tried using OPTION (RECOMPILE) in the reports, as well as clearing out the particular query from the plan cache and running the SQL in SSMS to try and get a better plan etc but no amount of jiggery pokery by
me could get the queries to run any faster.
The really weird thing - is that stopping and starting the report server via the reporting services configuration manager instantly cures the problem.
I'd really love to know - why this might be? Is it something to do with the report server closing and re-opening its connections to the database? That's the only sort of thing I can think of...any ideas? Anyone? Any suggestions would be much appreciated.
LucasF

Hi LucasF,
In your scenario, usually we can monitor the execution log in Report Database. If you run below query, you can get the results how long the report takes to render (TimeRendering), how long to process the report(TimeProcessing) and how long to retrieve data
from Database(TimeData). You can check the starttime and endtime to know the total time for executing a report.
SELECT TOP1000 *FROM[ReportServer].[dbo].[ExecutionLog2]
More details information, please reference to similar thread below:
Steps for troubleshooting a slow SSRS 2014 server
Troubleshooting Reports: Report Performance
In SQL Server Reporting Services, a job will be created by SQL Server Agent if any of the following processes is underway:
query execution on a remote or local database server
report processing
report rendering
To cancel a job that is running on the report server, we can cancel the job directly or reduce the report execution time-out value in the SQL Server Management Studio and then will stop query execution. Please refer to the steps below:
Open SQL Server Management Studio, and connect to "Reporting Services".
Under the Report Server node, right-click on the "Jobs" folder and select "Refresh". Then, right-click on "Jobs" again and click "Cancel All Jobs".
Right-click on the Report Server node and open the "Server Properties" dialog.
Click the "Execution" option, and set the "Limit report execution to the following number of seconds:" to a much smaller number. After this issue is resolved, this configuration should revert to the previous state.
Reference:
Managing a Running Process
Setting Time-out Values for Report and Shared Dataset Processing
In addition, we can also use the KILL Transact-SQL statement to terminate a normal connection by terminating the transactions that are associated with the specified session ID. For the details information, you can refer to:
KILL (Transact-SQL)
If you still have any problem, please feel free to ask.
Regards,
Vicky Liu
Vicky Liu
TechNet Community Support

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