Regarding query execution
Hi friends,
i am executing query 0figl_c01_q0030 .
while i am doing this one screen is appearing in that i am entering company code = 2000 , gl account = 1112000, current fiscal year = 2007.( all are available in my cube to which i loaded data) .
but it is giving error ." no value could not be found for variable 0p_fvaex "
Please correct me .
Thanks in advance,
ramnaresh.
Hi,
It seems to be problem with SAP Exit Variable: 0P_FVAEX, so check for which country you are checking the data, for INDIA it is April to March is the Finacial year, so in that way check whether data is exists in Cube or not for 2007.
Note: Calender Year is different and Fiscal Year is different.
Thanks
Reddy
Similar Messages
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How can I reduce BEx Query execution time
Hi,
I have a question regarding query execution time in BEx.
I have a query that takes 45 mins to 1 hour to execute in BEx analyser. This query is run on a daily basis and hence I am keen to reduce the execution time. Are there any programs or function modules that can help in reducing query execution time?
Thanks and Regards!Hi Sriprakash,
1.Check if your cube is performance tuned: in the manage cube from RSA1 / performance tab: check if all indexes and statistics are green. Aggregate IDx should as well be.
2.Condense your cubes regularly
3. Evaluate the creation of an aggregate with all characteristic used in the query (RSDDV).
4.Evaluate the creation of a "change run aggregate": based on a standalone NavAttr (without its basic char in the aggr.) but pay attention to the consequent change run when loading master data.
5. Partition (physically) your cubes systematically when possible (RSDCUBE, menu, partitioning)
6. Consider logical partitioning (by year or comp_code or ...) and make use of multiproviders in order to keep targets not too big...
7.Consider creating secondary indexes when reporting on ODS (RSDODS)
8.Check if the query runtime is due the master data read or the infoprovider itself, or the OLAP processor and/or any other cause in tx ST03N
9.Consider improving your master reads by creating customized IDX (BITMAP if possible and depending on your data) on master data table and/or attribute SIDs when using NAvs.
10.Check that your basis team did a good job and have applied the proper DB parameters
11.Last but not least: fine tune your datamodel precisely.
hope this will give you an idea.
Cheers
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Issue while query execution on web analyser.
Hi,
I am getting an error message while query execution on web ie Record set too large , data retrieval restricted by configuration .I am able to run the same query in bex analyser without any issue .Any idea what could be the reason and solution for this issue .
Regards,
Neetika.Hi Neetika,
The Query is exceeding the set limits,i suggest you to Reduce the time LIne for the Query, as it may be having more number of Cells in terms of Rows and Columns.
Execute the Query for Less number of Days,if u r executing it for 1 Month then execute it for 10 Days.
Rgds
SVU123 -
I am new to SSRS and I am trying to migrate reports from 2008 to 2012. As I have so many reports to migrate, I simply got the back up of ReportServer,
ReportServerTempDB, and Encryption Key and restored them to test environment. I made necessary configuration from RS configuration tool. I am able to see the reports now when I browse //hostname/reports. But when I open any particular report I am getting some
error.
· An error has occurred during report processing.
(rsProcessingAborted)
Query execution failed for dataset 'dataSet'.
(rsErrorExecutingCommand
Semantic query execution failed. Invalid object name
'RPT. ******'. (rsSemanticQueryEngineError)
****** - I am assuming this is a custom data class.
Does anyone have insight on this? or any better way that I can migrate the reports to new server with less efforts.
I don’t have the reports solution file to deploy the reports, so I have followed backup and restore process.Hi Kishore237,
According to your description, you migrated some reports from Reporting Services (SSRS) 2008 to 2012. Now you get error when accessing the reports on SSRS 2012. Right?
In this scenario, did you modify the report data source in database after migration? You can try to open the report in Report Builder or Report designer and check the report dataset. If you can preview the report in Report builder or Report designer,
please try to redeploy the report to Report Server. If it is still not working, please try to restore the database from backup. And for migrating reports, please follow the "Content-Only Migration" in the link below:
http://msdn.microsoft.com/en-us/library/ms143724(v=sql.110).aspx
If you have any question, please feel free to ask.
Best Regards,
Simon Hou -
Asset query execution performance after upgrade from 4.6C to ECC 6.0+EHP4
Hi,guys
I am encounted a weird problems about asset query execution performance after upgrade to ECC 6.0.
Our client had migrated sap system from 4.6c to ECC 6.0. We test all transaction code and related stand report and query.
Everything is working normally except this asset depreciation query report. It is created based on ANLP, ANLZ, ANLA, ANLB, ANLC table; there is also some ABAP code for additional field.
This report execution costed about 6 minutes in 4.6C system; however it will take 25 minutes in ECC 6.0 with same selection parameter.
At first, I am trying to find some difference in table index ,structure between 4.6c and ECC 6.0,but there is no difference about it.
i am wondering why the other query reports is running normally but only this report running with too long time execution dump messages even though we do not make any changes for it.
your reply is very appreciated
Regards
BrianThanks for your replies.
I check these notes, unfortunately it is different our situation.
Our situation is all standard asset report and query (sq01) is running normally except this query report.
I executed se30 for this query (SQ01) at both 4.6C and ECC 6.0.
I find there is some difference in select sequence logic even though same query without any changes.
I list there for your reference.
4.6C
AQA0FI==========S2============
Open Cursor ANLP 38,702 39,329,356 = 39,329,356 34.6 AQA0FI==========S2============ DB Opens
Fetch ANLP 292,177 30,378,351 = 30,378,351 26.7 26.7 AQA0FI==========S2============ DB OpenS
Select Single ANLC 15,012 19,965,172 = 19,965,172 17.5 17.5 AQA0FI==========S2============ DB OpenS
Select Single ANLA 13,721 11,754,305 = 11,754,305 10.3 10.3 AQA0FI==========S2============ DB OpenS
Select Single ANLZ 3,753 3,259,308 = 3,259,308 2.9 2.9 AQA0FI==========S2============ DB OpenS
Select Single ANLB 3,753 3,069,119 = 3,069,119 2.7 2.7 AQA0FI==========S2============ DB OpenS
ECC 6.0
Perform FUNKTION_AUSFUEHREN 2 358,620,931 355
Perform COMMAND_QSUB 1 358,620,062 68
Call Func. RSAQ_SUBMIT_QUERY_REPORT 1 358,569,656 88
Program AQIWFI==========S2============ 2 358,558,488 1,350
Select Single ANLA 160,306 75,576,052 = 75,576,052
Open Cursor ANLP 71,136 42,096,314 = 42,096,314
Select Single ANLC 71,134 38,799,393 = 38,799,393
Select Single ANLB 61,888 26,007,721 = 26,007,721
Select Single ANLZ 61,888 24,072,111 = 24,072,111
Fetch ANLP 234,524 13,510,646 = 13,510,646
Close Cursor ANLP 71,136 2,017,654 = 2,017,654
We can see first open cursor ANLP ,fetch ANLP then select ANLC,ANLA,ANLZ,ANLB at 4.C.
But it changed to first select ANLA,and open cursor ANLP,then select ANLC,ANLB,ANLZ,at last fetch ANLP.
Probably,it is the real reason why it is running long time in ECC 6.0.
Is there any changes for query selcection logic(table join function) in ECC 6.0. -
Dear SCN,
I am new to BOBJ Environment. I have created a webi report on top of bex query by using BISC connection. Bex query is build for Vendor Ageing Analysis. My bex query will take very less time to execute the report (max 1 min). But in case of webi is takeing around 5 min when i click on refresh. I have not used any conditions,filters,restrictions are done at webi level all are done at bex level only.
Please let me know techniques to optimize the query execution time in webi. Currently we are in BO 4.0.
Regards,
PRKHi Praveen
Go through this document for performance optimization using BICS connection
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d0e3c552-e419-3010-1298-b32e6210b58d?QuickLink=index&… -
click report error:
log file:
processing!ReportServer_0-2!104c!04/27/2015-19:15:21:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing., ;
Info: Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing.
---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'dsPriority'.
---> Microsoft.AnalysisServices.AdomdClient.AdomdErrorResponseException: Query (26, 25) The ALLMEMBERS function expects a hierarchy expression for the argument. A member expression was used.
at Microsoft.AnalysisServices.AdomdClient.AdomdDataReader..ctor(XmlReader xmlReader, CommandBehavior commandBehavior, AdomdConnection connection)
at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.ExecuteReader(CommandBehavior behavior)
at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
at Microsoft.ReportingServices.DataExtensions.AdoMdCommand.ExecuteReader(CommandBehavior behavior)
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery()
--- End of inner exception stack trace ---
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery()
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.Process()
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeParameterDataSet.Process()
at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.ProcessConcurrent(Object threadSet)
--- End of inner exception stack trace ---
open http://localhost:8080/tfs/TeamFoundation/Administration/v3.0/WarehouseControlService.asmx?op=ProcessWarehouse click Invoke:
System.Web.Services.Protocols.SoapException: TF221029: Reporting for Team Foundation Server does not have any warehouse jobs defined. Use the Team Foundation Administration Console to rebuild the reporting. : 2015-04-27T19:30:29:782 ---> System.InvalidOperationException:
TF221029: Reporting for Team Foundation Server does not have any warehouse jobs defined. Use the Team Foundation Administration Console to rebuild the reporting. at Microsoft.TeamFoundation.Warehouse.WarehouseAdmin.QueueJobs(String collectionName, String jobName)
at Microsoft.TeamFoundation.Warehouse.WarehouseControlWebService.ProcessWarehouse(String collectionName, String jobName) --- End of inner exception stack trace --- at Microsoft.TeamFoundation.Warehouse.WarehouseControlWebService.ProcessWarehouse(String collectionName,
String jobName)Hi shelman,
I'd like to know whether you configured TFS reporting service properly, and if you can get the report normally before. From the error message, you might has wrong data source or the parameters of the dataset 'dsPriority'. You can check whether the data source
for your report is available, try to use windows authentication. Or check the parameters of dataset 'dsPriority' make sure the query works when you execute it manually.
To process the TFS data warehouse and analysis services cube, I'd like to know which operation you selected before clicking Invoke button. Please follow the instructions on this
page to process TFS data warehouse and analysis service cube manually. You can also refer the James's last reply in this
thread or this
blog to check if the solutions work for you.
Another option is run TFS best practice analyzer to check if there any configure issues on your TFS server machine. And check event logs to see if there any useful information, elaborate more details about your scenario including reproduce steps if the problem
persists.
Best regards, -
Query Execution/Elapsed Time and Oracle Data Blocks
Hi,
I have created 3 tables with one column only. As an example Table 1 below:
SQL> create table T1 ( x char(2000));
So 3 tables are created in this way i.e. T1,T2 and T3.
T1 = in the default database tablespace of 8k (11g v11.1.0.6.0 - Production) (O.S=Windows).
T2 = I created in a Tablespace with Blocksize 16k.
T3 = I created in a Tablespace with Blocksize 4k. In the same Instance.
Each table has approx. 500 rows (So, table sizes are same in all the cases to test Query execution time ). As these 3 tables are created under different data block sizes so the ALLOCATED no. of data blocks are different in all cases.
T1 = 8k = 256 Blocks = 00:00:04.76 (query execution time/elapsed time)
T2 = 16k=121 Blocks = 00:00:04.64
T3 = 4k = 490 Blocks = 00:00:04.91
Table Access is FULL i.e. I have used select * from table_name; in all 3 cases. No Index nothing.
My Question is why query execution time is nearly the same in all 3 cases because Oracle has to read all the data blocks in each case to fetch the records and there is a much difference in the allocated no. of blocks ???
In 4k block size example, Oracle has to read just 121 blocks and it's taking nearly the same time as it's taking to read 490 blocks???
This is just 1 example of different data blocks. I have around 40 tables in each block size tablespace and the result are nearly the same. It's very strange for me because there is a much difference in the no. of allocated blocks but execution time is almost the same, only difference in milliseconds.
I'll highly appreciate the expert opinions.
Bundle of thanks in advance.
Best Regards,Hi Chris,
No I'm not using separate databases, it's 8k database with non-standard blocksizes of 16k and 4k.
Actually I wanted to test the Elapsed time of these 3 tables, so for that I tried to create the same size
tables.
And how I equalize these is like I have created one column table with char(2000).
555 MB is the figure I wanted to use for these 3 tables ( no special figure, just to make it bigger than the
RAM used for my db at the db startup to be sure of not retrieving the records from cache).
so row size with overhead is 2006 * 290,000 rows = 581740000(bytes) / 1024 = 568105KB / 1024 = 555MB.
Through this math calculation I thought It will be the total table size. So I Created the same no. of rows in 3 blocksizes.
If it's wrong then what a mes because I was calculating tables sizes in the same way from the last few months.
Can you please explain a little how you found out the tables sizes in different block sizes.Though I understood how you
calculated size in MB from these 3 block sizes
T8K =97177 BLOCKS=759MB *( 97177*8 = 777416KB / 1024 = 759MB )*
T16K=41639 BLOCKS=650MB
BT4K=293656 BLOCKS=1147MB
For me it's new to calculate the size of a table. Can you please tell me then how many rows I can create in each of
these 3 tables to make them equal in MB to test for elapsed time.
Then I'll again run my test and put the results here. Because If I've wrongly calculated table sizes then there is no need to talk about elapsed time. First I must equalize the table sizes properly.
SQL> select sum(bytes)/1024/1024 "Size in MB" from dba_segments> 2 where segment_name = 'T16K';
Size in MB
655
Is above SQL is correct to calculate the size or is it the correct alternative way to your method of calculating the size??
I created the same table again with everything same and the result is :
SQL> select num_rows,blocks from user_tables where table_name = 'T16K';NUM_ROWS BLOCKS
290000 41703
64 more blocks are allocated this time so may be that's y it's showing total size of 655 instead of 650.
Thanks alot for your help.
Best Regards,
KAm
Edited by: kam555 on Nov 20, 2009 5:57 PM -
Query Execution Filter Val. Selection take no effect on query based on AG
Hi,
by setting the 'Query Execution Filter Val. Selection' property in query, we can control the value list when we execute the query. with setting 'Only posted value values for navigation', only the data posted to cube can be listed when you do the selection in the Query Execution selection screen and with setting 'values in master data table', all the date will be listed when you do the selection in the Query Execution selection screen.
1. but for queries based on cube or multi-cube, when i select 'values in master data table' in query defination, still only the posted value is displayed when i do the selection in the Query Execution selection screen. is there anyone know why?
2. for queries based on aggregation level, whatever setting i choose, all the values is displayed when i do the selection in the Query Execution selection screen. how i can do select the posted value for this kind of query?
Many Thanks
JonathanI apologize I meant the other link:
I will put the useful text from that link here.
Regarding the query built on aggregation level please note the following
the aggregation level is always a Virtual Provider built other
InfoProvider and hence it does not have the dimension table and hence
the F4 mode D is not supported.
Therefore when aggregation level is used in a query, F4 does not supportD-mode: 'Only Values in InfoProvider' and all master data values are
displayed in the value list.
Reference from the note
984229 F4 modes for input help as of SAP NetWeaver 2004s BI
4. Since other InfoProviders do not have a dimension table, the system
displays only posted values if you select "Only Posted Values for
Navigation". Otherwise, it displays the values from the master data
table.
Hope this should clarify your doubts. Please let me know if you have
questions else please confirm the message at your earliest convenie
Edited by: Abhijit N on Apr 2, 2009 6:06 PM -
Hi Friends,
Am using Oracle 10g DB - 10.2.0.3.0
I have some basic doubts regarding sql query execution by Oracle.
Say, Am executing a query from a toad/sqlplus session for the first time, it takes 10 secs then 1 sec and so on.
Same thing happens for every 15 minutes.(Any specific reason for this ??).
It takes more time when it executes first because of parsing and all those stuff but from then on it picks from the
shared pool right??.. How long will it be there in Shared Pool does Oracle maintain any specific time period to clear that query from shared pool memory. How does Oracle handle this.
Another thing is, say, I have a report query, I run this query monthly. What will be the execution time when I run this query each and every month. Will Oracle parse this query everytime I run. How do I improve the performance in this situation (May sound odd :)).
Regards,
MarlonSay, Am executing a query from a toad/sqlplus session for the first time, it takes 10 secs then 1 sec and so on.
Same thing happens for every 15 minutes.(Any specific reason for this ??).
It takes more time when it executes first because of parsing and all those stuff but from then on it picks from the
shared pool right??.. How long will it be there in Shared Pool does Oracle maintain any specific time period to clear that query from shared pool memory. How does Oracle handle this. Share Pool caches the SQL statement. So when you execute the same SQL for the second time it goes for a soft parse. But this is not the only reason for the query to execute faster the second time. The time difference between a soft parse and hard parse is very minimal. So it really does not matter unless you are executing the same query several number of times.
The thing that really matters is the Data Buffer Cache. That is the rows that are selected by your query are cached into the Data buffer that is available in the SGA. So for the next time when you run the same query the IO is reduced as the data is available in the memory and you don't have to go to your disk to get the data.
But the data in Data Buffer is not persistent, meaning it follows the FIFO rule. That is first in first out. When the Data Buffer is full the content of the buffer is removed in the FIFO order.
Another thing is, say, I have a report query, I run this query monthly. What will be the execution time when I run this query each and every month. Will Oracle parse this query every time I run. How do I improve the performance in this situation (May sound odd :)). Like the Data Buffer the Shared Pool is also maintained in the FIFO order. So if the query is still in the Shared Pool the query will be soft parsed else it will be hard parsed. But its very rare that you will have a query in your Shared Pool for a month. -
Query execution process in OBIEE 11g
Hi all,
I am confused with Web logic server, enterprise manager server and other components of
Obiee 11g architecture with respect to query execution in Answers of Presentation services.
Please explain me in detail...from the login page i.e when a user logins
into the presentation services for query request. Explain how exactly the various
servers communicates starting from logging into presentation services (how exactly user authenticates),
then query execution (which servers communicates). I am confused with the flow of query process.
Regards
Chandra kanth.Gurus and Experts,
Please take your valuable time to answer my question.
regards
chandra kanth. -
Finding number of working days during query execution
Hi ,
We have a requirement to calculate number of working days during query execution. In the cube we got "received date", this will be used as a variable in the query. Based on the received date value entered, query needs to display number of products received from past 1, 2,3,4 days (working days should include weekends or public holidays).
1day 2 days 3 days 4 days 5 days
10 12 20 15 20
to me it appears as I need to create virtual key figures.
Regards,
RamzHi ramesh,
First try to create formula variables for start data and end date to calculate the no of working days.
Create a Variable ZSTDT --of type replacement path.
Type of Variable = Formula
Variable Name = ZSTDT
Characteristic = <info object>
For Intervals Use = Select From Value
Offset Start = 0000 Offset Length = 0000
Replacement var with : key
use the same steps to create one more formula variable to get end date.
Now create a formula to get the No of days.
once after getting no of days you can create buckets as per your need.
for more info check the below links
http://www.sd-solutions.com/SAP-HCM-BW-Replacement-Path-Variables.html
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/30f15839-0cf1-2b10-c6a7-ebe68cc87cdc?quicklink=index&overridelayout=true -
Index slows down query execution
Hello everybody,
I have reordered the join conditions for the query...
select (first_name||' '||middle_name||' '||last_name) name,regn_no,age,gender,
(select loc_name from locations where loc_id=location_code and loc_h_id='L6') district,
person_id from persons p,musers u where reg_center_id=u.center_id and
p.ipop='RG' and u.user_id = '8832' and u.eff_end_dt is null and p.CID = '1' order by p.crt_dt desc
like this...
select (first_name||' '||middle_name||' '||last_name) name,regn_no,age,gender,
(select loc_name from locations where loc_id=location_code and loc_h_id='L6') district,
person_id from musers u, persons p where reg_center_id=u.center_id and u.user_id = '8832'
and p.ipop='RG' and u.eff_end_dt is null and p.CID = '1'
because
select count(*) from persons p, musers u where reg_center_id=u.center_id and
p.ipop='RG' is 13002
and
select count(*) from persons p, musers u where reg_center_id=u.center_id and u.user_id = '8832' is 1007.
In this excercise I have a couple of questions..
1. This did not show any difference in the CPU time.
and,
I have created an index 'idx_ipop_persons' on persons(ipop) "create index idx_ipop_persons on persons(ipop)".
2. The query is taking more time to execute than it was before creating the index.
Please help me...
Thanks,
Aswin.Please post the execution plan for your query.
And also i need some details:
select count(*) from person where ipop='RG';
How many records fetch?
select distinct ipop from persons; --How many
records fetch?
Regards
RajaBaskar
Execution plan:
Execution Plan
0 SELECT STATEMENT Optimizer=ALL_ROWS (Cost=921 Card=176 Bytes
=11088)
1 0 TABLE ACCESS (BY INDEX ROWID) OF 'LOCATIONS' (TABLE)
(Cost=2 Card=1 Bytes=38)
2 1 INDEX (RANGE SCAN) OF 'IDX_LOCID_LOCHDR_LOCATIONS' (INDE
X) (Cost=1 Card=1)
3 0 TABLE ACCESS (BY INDEX ROWID) OF 'PERSONS' (TABLE) (
Cost=918 Card=176 Bytes=9152)
4 3 NESTED LOOPS (Cost=921 Card=176 Bytes=11088)
5 4 TABLE ACCESS (BY INDEX ROWID) OF 'MUSERS' (TA
BLE) (Cost=3 Card=1 Bytes=11)
6 5 INDEX (RANGE SCAN) OF 'PK_MUSERS' (INDEX (UNIQUE)
) (Cost=2 Card=1)
7 4 INDEX (RANGE SCAN) OF 'IDX2_PERSONS' (INDEX) (Co
st=1 Card=1464)
select count(*) from person where ipop='RG';
count(*)
12135
select distinct ipop from persons;
distinct ipop
RG
OP
IP
RF
CR -
Hi Experts,
I have problem with query execution. It is taking more time to execution.
Query is like this :
SELECT gcc_po.segment1 bc,
gcc_po.segment2 rc,
gcc_po.segment3 dept,
gcc_po.segment4 ACCOUNT,
gcc_po.segment5 product,
gcc_po.segment6 project,
gcc_po.segment7 tbd,
SUBSTR (pv.vendor_name, 1, 50) vendor_name,
pv.vendor_id,
NVL (ph.closed_code, 'OPEN') status,
ph.cancel_flag,
ph.vendor_site_id,
ph.segment1 po_number,
ph.creation_date po_creation_date,
pv.segment1 supplier_number,
pvsa.vendor_site_code,
ph.currency_code po_curr_code,
ph.blanket_total_amount,
NVL (ph.rate, 1) po_rate,
SUM (DECODE (:p_currency,
'FUNCTIONAL', DECODE (:p_func_curr_code,
ph.currency_code, NVL
(pd.amount_billed,
0),
NVL (pd.amount_billed, 0)
* NVL (ph.rate, 1)
NVL (pd.amount_billed, 0)
)) amt_vouchered,
ph.po_header_id poheaderid,
INITCAP (ph.attribute1) po_type,
DECODE (ph.attribute8,
'ARIBA', DECODE (ph.attribute4,
NULL, ph.attribute4,
ppf.full_name
ph.attribute4
) origanator,
ph.attribute8 phv_attribute8,
UPPER (ph.attribute4) phv_attribute4
FROM po_headers ph,
po_vendors pv,
po_vendor_sites pvsa,
po_distributions pd,
gl_code_combinations gcc_po,
per_all_people_f ppf
WHERE ph.segment1 BETWEEN '001002' AND 'IND900714'
AND ph.vendor_id = pv.vendor_id(+)
AND ph.vendor_site_id = pvsa.vendor_site_id
AND ph.po_header_id = pd.po_header_id
AND gcc_po.code_combination_id = pd.code_combination_id
AND pv.vendor_id = pvsa.vendor_id
AND UPPER (ph.attribute4) = ppf.attribute2(+) -- no index on attributes
AND ph.creation_date BETWEEN ppf.effective_start_date(+) AND ppf.effective_end_date(+)
GROUP BY gcc_po.segment1,-- no index on segments
gcc_po.segment2,
gcc_po.segment3,
gcc_po.segment4,
gcc_po.segment5,
gcc_po.segment6,
gcc_po.segment7,
SUBSTR (pv.vendor_name, 1, 50),
pv.vendor_id,
NVL (ph.closed_code, 'OPEN'),
ph.cancel_flag,
ph.vendor_site_id,
ph.segment1,
ph.creation_date,
pvsa.attribute7,
pv.segment1,
pvsa.vendor_site_code,
ph.currency_code,
ph.blanket_total_amount,
NVL (ph.rate, 1),
ph.po_header_id,
INITCAP (ph.attribute1),
DECODE (ph.attribute8,
'ARIBA', DECODE (ph.attribute4,
NULL, ph.attribute4,
ppf.full_name
ph.attribute4
ph.attribute8,
ph.attribute4Here with out SUM funciton and group by function its execution is fast. if i use this Sum function and Group by function it is taking nearly 45 mins.
Explain plan for this:
Operation Object Name Rows Bytes Cost Object Node In/Out PStart PStop
SELECT STATEMENT Optimizer Mode=ALL_ROWS 1 6364
HASH GROUP BY 1 272 6364
NESTED LOOPS OUTER 1 272 6363
NESTED LOOPS 1 232 6360
NESTED LOOPS 1 192 6358
NESTED LOOPS 1 171 6341
HASH JOIN 1 K 100 K 2455
TABLE ACCESS FULL PO_VENDOR_SITES_ALL 1 K 36 K 1683
TABLE ACCESS FULL PO_VENDORS 56 K 3 M 770
TABLE ACCESS BY INDEX ROWID PO_HEADERS_ALL 1 82 53
INDEX RANGE SCAN PO_HEADERS_N1 69 2
TABLE ACCESS BY INDEX ROWID PO_DISTRIBUTIONS_ALL 1 21 17
INDEX RANGE SCAN PO_DISTRIBUTIONS_N3 76 2
TABLE ACCESS BY INDEX ROWID GL_CODE_COMBINATIONS 1 40 2
INDEX UNIQUE SCAN GL_CODE_COMBINATIONS_U1 1 1
TABLE ACCESS BY INDEX ROWID PER_ALL_PEOPLE_F 1 40 3
INDEX RANGE SCAN PER_PEOPLE_F_ATT2 2 1 plz giv me solution for this.....Whihc Hints shall i use in this query.....
thanks in ADV....I have a feeling this will lead us nowhere, but let me try for the last time.
Tuning a query is not about trying out all available index hints, because there must be one that makes the query fly. It is about diagnosing the query. See what it does and see where time is being spent. Only after you know where time is being spent, then you can effectively do something about it (if it is not tuned already).
So please read about explain plan, SQL*Trace and tkprof, and start diagnosing where your problem is.
Regards,
Rob. -
Query execution time estimation....
Hi All,
Is it possible to estimate query execution time using explain plan?
Thanks in advance,
Santosh.The cost estimated by the cost based optimizer is actually representing the time it takes to process the statement expressed in units of the single block read-time. Which means if you know the estimated time a single block read request requires you can translate this into an actual time.
Starting with Oracle 9i this information (the time to perform single block/multi block read requests) is actually available if you gather system statistics.
And this is what 10g actually does, as it shows an estimated TIME in the explain plan output based on these assumptions. Note that 10g by default uses system statistics, even if they are not explicitly gathered. In this case Oracle 10g uses the NOWORKLOAD statistics generated on the fly at instance startup.
Of course the time estimates shown by Oracle 10g may not even be close to the actual execution time as it is only an estimate based on a model and input values (statistics) and therefore might be way off due to several reasons, the same applies in principle to the cost shown.
Regards,
Randolf
Oracle related stuff:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle:
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/
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