How to test issue with accessing tables over a DB link?

Hey all,
Using 3.1.2 on XE, I have a little app. The database schema for this app only contains views to the actual tables, which happen to reside over a database link in a 10.1.0.5.0 DB.
I ran across an issue where a filter I made on a form refused to work (see [this ApEx thread| http://forums.oracle.com/forums/message.jspa?messageID=3178959] ). I verified that the issue only happens when the view points to a table across a DB link by recreating the table in the local DB and pointing the view to it. When I do this, the filter works fine. When I change the view back to use the remote table, it fails. And it only fails in the filter -- every other report and every other tool accessing the remote table via the view works fine.
Anyone know how I can troubleshoot this? For kicks, I also tried using a 10.2.0.3.0 DB for the remote link, but with the same results.
TIA,
Rich
Edited by: socpres on Mar 2, 2009 3:44 PM
Accidental save...

ittichai wrote:
Rich,
I searched metalink for your issue. This may be a bug in 3.1 which will be fixed in 4.0. Please see Doc ID 740581.1 Database Link Tables Do NoT Show Up In Table Drop Down List In Apex. There is a workaround mentioned in the document.
I'm not sure why I never thought of searching MetaLink, but thanks for the pointer! It doesn't match my circumstances, however. The Bug smells like a view not being queried in the APEX development tool itself -- i.e. the IDE's coding needs changing, not necessarily those apps created with the IDE.
I'm working on getting you access to my hosted app...
Thanks,
Rich

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ALTER PACKAGE pipeline_example COMPILE;Edited by: Earthlink on Nov 14, 2010 9:47 AM
Edited by: Earthlink on Nov 14, 2010 11:31 AM
Edited by: Earthlink on Nov 14, 2010 11:32 AM
Edited by: Earthlink on Nov 20, 2010 12:04 PM
Edited by: Earthlink on Nov 20, 2010 12:54 PM

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Like:
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HOW TO: Post a SQL statement tuning request - template posting
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2) Improper indexes, because there is no indexes with the fields mentioned in the WHERE clause of the statement. Because of this reason, CBO would have choosen wrong index and did a range scan.
3) Optimizer bug in oracle.
4) Size of table is very huge, archive.
Better switch on ST05 trace before you run this statements, so it will give more detailed information, where exactly time being spent during the execution.
Hope this helps
dileep

Issue with Multiple Tables in Report

Post Author: dwessell
CA Forum: General
Hi,
I'm using Crystal Reports 2k8.
I'm doing a report with three tables, CQ_HEADER, SO_HEADER and SALESPERSON. Both the CQ_HEADER and the SO_HEADER tables link to the SALESPERSON table via a SPN_AUTO_KEY field.
However, I always receive duplicates in my result set, due to the joins made, and I don't receive results that are valid in one table, and empty in another (Such that it only counts a CQ, if there is a SO associated with it. Here's the query that's produced by CR.
SELECT "CQ_HEADER"."CQ_NUMBER", "CQ_HEADER"."ENTRY_DATE", "CQ_HEADER"."TOTAL_PRICE", "SALESPERSON"."SALESPERSON_NAME", "SO_HEADER"."ENTRY_DATE", "SO_HEADER"."TOTAL_PRICE"
FROM "CQ_HEADER" "CQ_HEADER" INNER JOIN ("SO_HEADER" "SO_HEADER" INNER JOIN "SALESPERSON" "SALESPERSON" ON "SO_HEADER"."SPN_AUTO_KEY"="SALESPERSON"."SPN_AUTO_KEY") ON "CQ_HEADER"."SPN_AUTO_KEY"="SALESPERSON"."SPN_AUTO_KEY"
WHERE ("CQ_HEADER"."ENTRY_DATE">={ts '2007-12-01 00:00:00'} AND "CQ_HEADER"."ENTRY_DATE"<{ts '2007-12-18 00:00:00'}) AND ("SO_HEADER"."ENTRY_DATE">={ts '2007-12-01 00:00:00'} AND "SO_HEADER"."ENTRY_DATE"<{ts '2007-12-18 00:00:00'})
ORDER BY "SALESPERSON"."SALESPERSON_NAME"
There is no link between the SO_HEADER and the CQ_HEADER. Can anyone make a suggestion as to how I could go about structuring this such that it doesn't return duplicate values?
Thanks
David

Hey,
I understand you used Retainsameconnection property true for all the OLEDB connections you used in the package if not make sure its for all the connection including file connection as well.
Additionally, you can try to set Delayvalidation property to true for all the dataflows and control flows in the connection and try running the package for 10MB file.
I hope this will fix the intermittent failure issue you are facing with SSIS.
(Please mark solved if I've answered your question, vote for it as helpful to help other user's find a solution quicker)
Thanks,
Atul Gaikwad.

Rebate related issue with database table VKDFS & VBAK

Hi everybody,
I am facing the problem with the tables VKDFS and VBAK.
In my program the report has to display the details of the agrement numbers concerning to the sale or billing doucmnets later on it has to create a credit memo for that particular customer.
In the coding the program in very beging step, it is fetching all sales documents from VKDFS as per selections like following.
select        * from vkdfs into table ivkdfs
         where fktyp in r_fktyp
         and    vkorg in s_vkorg
         and    fkdat in s_fkdat
         and    kunnr in s_kunnr
         and    fkart in s_fkart
         and    vbeln in s_vbeln
         and    faksk in s_faksk
         and    vtweg in s_vtweg
         and    spart in s_spart
         and    netwr in s_netwr
         and    waerk in s_waerk.
After this whatever the sales orders fetched here, for those all again its fetching from VBAK table as following.
SVBAK[] = IVKDFS[]
select * from vbak into table ivbak
for all entries in svbak
where vbeln = svbak-vbeln
and   knuma in s_knuma
and   auart in s_auart
and   submi in s_submi
and (vbak_wtab).
So, its filtering from VBAK.
But the exact issue is that, there is one sales order which is available in VBAK but does not available in VKDFS table.
So, my program fails to display the report regarding to that agreement number.
As per my analysis I came to know that there are no entries in VKDFS table against to the sales orders in VBAK concerning agreement numbers.
VKDFS-SD index: billing initiator table.
I want to know how come this VKDFS table is updating against to VBAK table. If possible how to make this entry in that table against to the values in VBAK. But it should not effect other tables.
Please let me know the solution if you people have any .
Its an urgent and sev 1 tickets
eagerly waiting for solution or some information.
Thanks&Regards.
J.

Hi everybody,
I am facing the problem with the tables VKDFS and VBAK.
In my program the report has to display the details of the agrement numbers concerning to the sale or billing doucmnets later on it has to create a credit memo for that particular customer.
In the coding the program in very beging step, it is fetching all sales documents from VKDFS as per selections like following.
select        * from vkdfs into table ivkdfs
         where fktyp in r_fktyp
         and    vkorg in s_vkorg
         and    fkdat in s_fkdat
         and    kunnr in s_kunnr
         and    fkart in s_fkart
         and    vbeln in s_vbeln
         and    faksk in s_faksk
         and    vtweg in s_vtweg
         and    spart in s_spart
         and    netwr in s_netwr
         and    waerk in s_waerk.
After this whatever the sales orders fetched here, for those all again its fetching from VBAK table as following.
SVBAK[] = IVKDFS[]
select * from vbak into table ivbak
for all entries in svbak
where vbeln = svbak-vbeln
and   knuma in s_knuma
and   auart in s_auart
and   submi in s_submi
and (vbak_wtab).
So, its filtering from VBAK.
But the exact issue is that, there is one sales order which is available in VBAK but does not available in VKDFS table.
So, my program fails to display the report regarding to that agreement number.
As per my analysis I came to know that there are no entries in VKDFS table against to the sales orders in VBAK concerning agreement numbers.
VKDFS-SD index: billing initiator table.
I want to know how come this VKDFS table is updating against to VBAK table. If possible how to make this entry in that table against to the values in VBAK. But it should not effect other tables.
Please let me know the solution if you people have any .
Its an urgent and sev 1 tickets
eagerly waiting for solution or some information.
Thanks&Regards.
J.

SQL Query : Order By issue with HUGE Table

Hello friends,
I have been through a terrible issue with order by. I would appreciate your help. Please let me know, your input for my case:
=> if i run select query it returns result quick in some milliseconds. (sql dev. fetches 50 rows at a time)
=> if i run select query with where condition and column (say A) in where condition is even indexed and i have order by and that order by column (say B) is also indexed.
Now, here is the issue:
1. if no. of rows with that where condition can filter yielding small result set then order by works fine .. 1-5 sec which is good.
2.*if no. of rows with that where condition can filter yielding Large result set, say more than 50,000 then with order by then the wait time is exponential.... i have even waited 10+ mins to get the result back for 120,000 records.*
Is order by takes that long for 100K records ... i think something else if wrong... your pointer will really be helpful... i am very new to sql and even newer for large table case.
I am using SQL Developer Version 2.1.1.64
and Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
Thank you so much.
Edited by: 896719 on Jan 11, 2013 8:38 AM

Yes you are correct, but my concentration was on order by thing, so it will do full scan of table so i was putting that ... and was also wondering if millions of record in table should not be a issue...???
Any way for the explain plan , when just a value in the where changes there is the huge difference i want to point out too as below:
SELECT
FROM
    EES_EVT EES_EVT where APLC_EVT_CD= 'ABC' ORDER BY CRE_DTTM DESC
execution time : 0.047 sec
Plan hash value: 290548126
| Id | Operation                    | Name        | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT             |             |    27 | 14688 |    25   (4)| 00:00:01 |
|   1 | SORT ORDER BY               |             |    27 | 14688 |    25   (4)| 00:00:01 |
|   2 |   TABLE ACCESS BY INDEX ROWID| EES_EVT     |    27 | 14688 |    24   (0)| 00:00:01 |
|* 3 |    INDEX RANGE SCAN          | XIE1EES_EVT |    27 |       |     4   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   3 - access("APLC_EVT_CD"='ABC')
Note
   - SQL plan baseline "SYS_SQL_PLAN_6d41e6b91925c463" used for this statement
=============================================================================================
SELECT
FROM
    EES_EVT EES_EVT where APLC_EVT_CD= 'XYZ' ORDER BY CRE_DTTM DESC
execution : 898.672 sec.
Plan hash value: 290548126
| Id | Operation                    | Name        | Rows | Bytes |TempSpc| Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT             |             |   121K|    62M|       |   102K (1)| 00:11:02 |
|   1 | SORT ORDER BY               |             |   121K|    62M|    72M|   102K (1)| 00:11:02 |
|   2 |   TABLE ACCESS BY INDEX ROWID| EES_EVT     |   121K|    62M|       | 88028   (1)| 00:09:27 |
|* 3 |    INDEX RANGE SCAN          | XIE1EES_EVT |   121K|       |       |   689   (1)| 00:00:05 |
Predicate Information (identified by operation id):
   3 - access("APLC_EVT_CD"='XYZ')
Note
   - SQL plan baseline "SYS_SQL_PLAN_ef5709641925c463" used for this statementAlso Note this table contains 74328 MB data in it.
Thanks

Performance issue with COEP table in ECC 6

Hi,,
Any idea how to resonlve performance issue on COEP table in ECC6.0
We are not using COEP table right now. this table occupies 100gb of 900 gb in PRD system.
Can i directly archive/delete the table?
Regards
Siva

Hi Siva,
You cannot archive COEP table alone. It should be archived along with the respective archive object. Just deleting the table is not at all a good idea.
For finding out the appropriate archive object contributing to the entries in COEP, you need to perform CO table analysis using programs RARCCOA1 and RARCCOA2. For further informaton refer to SAP note 138688.
Hope this helps,
Naveen

How to test issue with accessing tables over a DB link?

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