Table.Join/Merge in Power Query takes extremly long time to process for big tables

Hi,
I tried to simply merge/inner join two big tables(one has 300,000+ rows after filtering and the other has 30,000+ rows after filtering) in PQ. However, for this simple join operation, PQ took at least 10 minutes (I killed the Query Editor after 10
minutes' processing) to load the preview.
Here's how I did the join job: I first loaded tables into the workbook, then did the filtering for each table and at last, used the merge function to do the join based on a same field.
Did I do anything wrong here? Or is there any way to improve the load efficiency?
P.S. no custom SQL was used during the process. I was hoping the so called "Query Folding" can help speed the process, but it seems it didn't work here.
Thanks.
Regards,
Qilong

Hi!
You should import the source tables
in Access. This will speed up the work of
PQ in several times.

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Query takes a long time on EBAN table

Hi,
I am trying to execute a simple select statement on EBAN table. This query takes unexpectionally longer time to execute.
Query is :
SELECT banfn bnfpo ernam badat ebeln ebelp
      INTO TABLE gt_eban
      FROM eban FOR ALL ENTRIES IN gt_ekko_ekpo
      WHERE
      banfn IN s_banfn AND
      ernam IN s_ernam
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TYPES : BEGIN OF ty_ekko_ekpo,
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        matkl TYPE ekpo-matkl,
        elikz TYPE ekpo-elikz,
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Structure of GT_EBAN
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banfn TYPE eban-banfn,
bnfpo TYPE eban-bnfpo,
ernam TYPE eban-ernam,
badat TYPE eban-badat,
ebeln TYPE eban-ebeln,
ebelp TYPE eban-ebelp,
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Thanks.
Richa

Hi Richa,
Maybe you are executing the query with S_BANFN empty. Still based on the note 191492 you should change your query on like the following
1st Suggestion:
if gt_ekko_ekpo[] is not initial.
SELECT banfn banfpo       INTO TABLE gt_eket
      FROM eket FOR ALL ENTRIES IN gt_ekko_ekpo
      WHERE
     ebeln = gt_ekko_ekpo-ebeln AND
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if sy-subrc = 0.
delete gt_eket where banfn not in s_banfn.
if gt_eket[] is not initial
SELECT banfn bnfpo ernam badat ebeln ebelp
      INTO TABLE gt_eban
      FROM eban FOR ALL ENTRIES IN gt_eket
      WHERE
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     and banfpo = gt_eket-banfpo.
if sy-subrc = 0.
delete gt_eban where ernam not in s_ernam.
endif.
endif.
endif.
endif.
2nd Suggestion:
if gt_ekko_ekpo[] is not initial.
SELECT banfn banfpo       INTO TABLE gt_eket
      FROM eket FOR ALL ENTRIES IN gt_ekko_ekpo
      WHERE
     ebeln = gt_ekko_ekpo-ebeln AND
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if sy-subrc = 0.
delete gt_eket where banfn not in s_banfn.
if gt_eket[] is not initial
SELECT banfn bnfpo ernam badat ebeln ebelp
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      FROM eban FOR ALL ENTRIES IN gt_eket
      WHERE
      banfn = gt_eket-banfn
     and banfpo = gt_eket-banfpo
     and ernam in s_ernam.
endif.
endif.
endif.
Hope this helps.
Regards,
R

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Hi,
I built a query with 4 tables inside (load from Oracle DB and two of them are quite big, more than millions of rows). After filtering, I tried to build relationships between tables using Table.Join formula. However, the process took extremly long time to
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hi experts,
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Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/
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Hi All,
The below query execution is taking very long time even there are all required indexes present.
Also in execution plan there is no table scan. I did a lot of research but i am unable to find a solution.
Please help, this is required very urgently. Thanks in advance. :)
WITH cte
AS (
SELECT Acc_ex1_3
FROM Acc_ex1
INNER JOIN Acc_ex5 ON (
Acc_ex1.Acc_ex1_Id = Acc_ex5.Acc_ex5_Id
AND Acc_ex1.OwnerID = Acc_ex5.OwnerID
WHERE (
cast(Acc_ex5.Acc_ex5_92 AS DATETIME) >= '12/31/2010 18:30:00'
AND cast(Acc_ex5.Acc_ex5_92 AS DATETIME) < '01/31/2014 18:30:00'
SELECT DISTINCT R.ReportsTo AS directReportingUserId
,UC.UserName AS EmpName
,UC.EmployeeCode AS EmpCode
,UEx1.Use_ex1_1 AS PortfolioCode
SELECT TOP 1 TerritoryName
FROM UserTerritoryLevelView
WHERE displayOrder = 6
AND UserId = R.ReportsTo
) AS BranchName
,GroupsNotContacted AS groupLastContact
,GroupCount AS groupTotal
FROM ReportingMembers R
INNER JOIN TeamMembers T ON (
T.OwnerID = R.OwnerID
AND T.MemberID = R.ReportsTo
AND T.ReportsTo = 1
INNER JOIN UserContact UC ON (
UC.CompanyID = R.OwnerID
AND UC.UserID = R.ReportsTo
INNER JOIN Use_ex1 UEx1 ON (
UEx1.OwnerId = R.OwnerID
AND UEx1.Use_ex1_Id = R.ReportsTo
INNER JOIN (
SELECT Accounts.AssignedTo
,count(DISTINCT Acc_ex1_3) AS GroupCount
FROM Accounts
INNER JOIN Acc_ex1 ON (
Accounts.AccountID = Acc_ex1.Acc_ex1_Id
AND Acc_ex1.Acc_ex1_3 > '0'
AND Accounts.OwnerID = 109
GROUP BY Accounts.AssignedTo
) TotalGroups ON (TotalGroups.AssignedTo = R.ReportsTo)
INNER JOIN (
SELECT Accounts.AssignedTo
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FROM Accounts
INNER JOIN Acc_ex1 ON (
Accounts.AccountID = Acc_ex1.Acc_ex1_Id
AND Acc_ex1.OwnerID = Accounts.OwnerID
AND Acc_ex1.Acc_ex1_3 > '0'
INNER JOIN Acc_ex5 ON (
Accounts.AccountID = Acc_ex5.Acc_ex5_Id
AND Acc_ex5.OwnerID = Accounts.OwnerID
WHERE Accounts.OwnerID = 109
AND Acc_ex1.Acc_ex1_3 NOT IN (
SELECT Acc_ex1_3
FROM cte
GROUP BY Accounts.AssignedTo
) TotalGroupsNotContacted ON (TotalGroupsNotContacted.AssignedTo = R.ReportsTo)
WHERE R.OwnerID = 109
Please mark it as an answer/helpful if you find it as useful. Thanks, Satya Prakash Jugran

Hi All,
Thanks for the replies.
I have optimized that query to make it run in few seconds.
Here is my final query.
select ReportsTo as directReportingUserId,
UserName AS EmpName,
EmployeeCode AS EmpCode,
Use_ex1_1 AS PortfolioCode,
BranchName,
GroupInfo.groupTotal,
GroupInfo.groupLastContact,
case when exists
(select 1 from ReportingMembers RM
where RM.ReportsTo = UserInfo.ReportsTo
and RM.MemberID <> UserInfo.ReportsTo
) then 0 else UserInfo.ReportsTo end as memberid1,
(select code from Regions where ownerid=109 and name=UserInfo.BranchName) as BranchCode,
ROW_NUMBER() OVER (ORDER BY directReportingUserId) AS ROWNUMBER
FROM
(select distinct R.ReportsTo, UC.UserName, UC.EmployeeCode,UEx1.Use_ex1_1,
(select top 1 TerritoryName
from UserTerritoryLevelView
where displayOrder = 6
and UserId = R.ReportsTo) as BranchName,
Case when R.ReportsTo = Accounts.AssignedTo then Accounts.AssignedTo else 0 end as memberid1
from ReportingMembers R
INNER JOIN TeamMembers T ON (T.OwnerID = R.OwnerID AND T.MemberID = R.ReportsTo AND T.ReportsTo = 1)
inner join UserContact UC on (UC.CompanyID = R.OwnerID and UC.UserID = R.ReportsTo )
inner join Use_ex1 UEx1 on (UEx1.OwnerId = R.OwnerID and UEx1.Use_ex1_Id = R.ReportsTo)
inner join Accounts on (Accounts.OwnerID = 109 and Accounts.AssignedTo = R.ReportsTo)
union
select distinct R.ReportsTo, UC.UserName, UC.EmployeeCode,UEx1.Use_ex1_1,
(select top 1 TerritoryName
from UserTerritoryLevelView
where displayOrder = 6
and UserId = R.ReportsTo) as BranchName,
Case when R.ReportsTo = Accounts.AssignedTo then Accounts.AssignedTo else 0 end as memberid1
from ReportingMembers R
--INNER JOIN TeamMembers T ON (T.OwnerID = R.OwnerID AND T.MemberID = R.ReportsTo)
inner join UserContact UC on (UC.CompanyID = R.OwnerID and UC.UserID = R.ReportsTo)
inner join Use_ex1 UEx1 on (UEx1.OwnerId = R.OwnerID and UEx1.Use_ex1_Id = R.ReportsTo)
inner join Accounts on (Accounts.OwnerID = 109 and Accounts.AssignedTo = R.ReportsTo)
where R.MemberID = 1
) UserInfo
inner join
select directReportingUserId, sum(Groups) as groupTotal, SUM(GroupsNotContacted) as groupLastContact
from
select distinct R.ReportsTo as directReportingUserId, Acc_ex1_3 as GroupName, 1 as Groups,
case when Acc_ex5.Acc_ex5_92 between GETDATE()-365*10 and GETDATE() then 1 else 0 end as GroupsNotContacted
FROM ReportingMembers R
INNER JOIN TeamMembers T
ON (T.OwnerID = R.OwnerID AND T.MemberID = R.ReportsTo AND T.ReportsTo = 1)
inner join Accounts on (Accounts.OwnerID = 109 and Accounts.AssignedTo = R.ReportsTo)
inner join Acc_ex1 on (Acc_ex1.OwnerID = 109 and Acc_ex1.Acc_ex1_Id = Accounts.AccountID and Acc_ex1.Acc_ex1_3 > '0')
inner join Acc_ex5 on (Acc_ex5.OwnerID = 109 and Acc_ex5.Acc_ex5_Id = Accounts.AccountID )
--where TerritoryID in ( select ChildRegionID RegionID from RegionWithSubRegions where OwnerID =109 and RegionID = 729)
union
select distinct R.ReportsTo as directReportingUserId, Acc_ex1_3 as GroupName, 1 as Groups,
case when Acc_ex5.Acc_ex5_92 between GETDATE()-365*10 and GETDATE() then 1 else 0 end as GroupsNotContacted
FROM ReportingMembers R
INNER JOIN TeamMembers T
ON (T.OwnerID = R.OwnerID AND T.MemberID = R.ReportsTo)
inner join Accounts on (Accounts.OwnerID = 109 and Accounts.AssignedTo = R.ReportsTo)
inner join Acc_ex1 on (Acc_ex1.OwnerID = 109 and Acc_ex1.Acc_ex1_Id = Accounts.AccountID and Acc_ex1.Acc_ex1_3 > '0')
inner join Acc_ex5 on (Acc_ex5.OwnerID = 109 and Acc_ex5.Acc_ex5_Id = Accounts.AccountID )
--where TerritoryID in ( select ChildRegionID RegionID from RegionWithSubRegions where OwnerID =109 and RegionID = 729)
where R.MemberID = 1
) GroupWiseInfo
group by directReportingUserId
) GroupInfo
on UserInfo.ReportsTo = GroupInfo.directReportingUserId
Please mark it as an answer/helpful if you find it as useful. Thanks, Satya Prakash Jugran

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Hi,
The following query has been running for almost half an hour.
What am I doing wrong?
Thanks for any help.
A/A
Code
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, nil.no_of_weeks no_of_weeks
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msi.item_type='FG'
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AND (get_trns_quantity(msi.inventory_item_id,msi.organization_id) <> 0
OR get_committed_quantity(msi.inventory_item_id,msi.organization_id) <> 0
OR (inventory_level + get_committed_quantity(msi.inventory_item_id,msi.organization_id)
-(get_trns_quantity(msi.inventory_item_id,msi.organization_id))) <> 0
ORDER BY msi.segment1
Edited by: asgar_amin on Mar 4, 2009 12:35 PM

Thanks for your response guys. I got it working. It takes only two minutes now.
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thanks in advance,
Vinay

sounds like power button or cord is defective.
it's better you to call lenovo support line for possible hardware replacement.

CUCM 9.1.2 DRS backup takes extremely long time to complete

Anybody else noticed that DRS backups from CUCM 9.1.2 to a Windows SFTP server (ex: OpenSSH) takes up to 6-7 hours to complete?
Backup to a Linux SFTP server runs fine.
All backup worked fine on Windows or Linux with CUCM 9.1.1.

Hi Sebastien,
Can you try taking the backup on a machine in the same subnet as cucm and see if the issue persists? Have you tried restarting the DRF MA and LA services yet? Openssh is one of the supported options for DRS backup so you can engage TAC if the issue persists.

Query Taking a long time

Hi All,
Working in EBS Version 11.5.10.2
The below query takes a long time, Please i need some help in this issue
select ood.organization_name
                ,to_char(cd.transaction_date,'RRRR/MM/DD HH24:MI:SS') trx_date
                ,gcc.segment1||'.'||gcc.segment2||'.'||gcc.segment3||'.'||gcc.segment4||'.'||gcc.segment5||'.'||gcc.segment6||'.'||gcc.segment7 account
                ,cd.base_transaction_value
                ,decode(transaction_type_name,
                        'Resource transaction',resource_code,
                        'WIP Assy Completion', (select msi.segment1 from mtl_system_items_b msi where msi.inventory_item_id = cd.primary_item_id and msi.organization_id = cd.organization_id)
                        ,(select msi.segment1 from mtl_system_items_b msi where msi.inventory_item_id = cd.inventory_item_id and msi.organization_id = cd.organization_id)
                       ) item_sub_element
                ,cd.transaction_type_name
                ,cd.operation_seq_num
                ,cd.department_code
                ,cd.resource_seq_num
                ,cd.subinventory_code
                ,cd.line_type_name accounting_type
                ,cd.primary_uom
                ,cd.primary_quantity
                ,cd.wip_entity_name job
                ,cd.basis
                ,cd.line_id line
                ,(select wsg.schedule_group_name from wip_schedule_groups wsg
                    where wsg.schedule_group_id = wdj.schedule_group_id
                    and wsg.organization_id = wdj.organization_id
                 ) schedule_group_name
                ,(select msib.segment1 from mtl_system_items_b msib
                    where msib.inventory_item_id = wdj.primary_item_id
                    and msib.organization_id = wdj.organization_id
                 ) assembly
                ,decode(wdj.status_type,3,'Released',4,'Complete',6,'On-Hold',14,'Pending Close',15,'Failed Close',12,'Closed') job_status
                ,wdj.date_released
                ,wdj.date_completed job_completion_date
                ,wdj.date_closed job_closed_date
                ,decode(wdj.job_type,1,'Standard',3,'Non-Standard') job_type
                ,wdj.class_code job_class
                ,cd.reason_name
                ,cd.reference
            from cst_distribution_v cd
            ,org_organization_definitions ood
            ,gl_code_combinations gcc
            ,wip_discrete_jobs wdj
            where cd.organization_id = ood.organization_id
            and cd.reference_account = gcc.code_combination_id
            and cd.wip_entity_id = wdj.wip_entity_id
            and cd.organization_id = wdj.organization_id
            and cd.transaction_date between to_date(fdate, 'RRRR/MM/DD HH24:MI:SS') and to_date(tdate, 'RRRR/MM/DD HH24:MI:SS')
            and cd.organization_id = nvl(p_org_id, cd.organization_id)
Regards
Vijay

Thanks Pravin,
You are right,but after created the function based
index also it is going for FTS.
for example ,i created this sample table.
create index pp_idx1 on pp(substr(mobile_no,-10,4))
My DB Version :- 10.2
Optimizer_mode=FIRST_ROWS
If you can help me.
Thanks,
ChitrasenInstead of:
select * from <table_name> where substr(called_calling_no,-10,4)=9904;Try to stay with the same datatype. Don't rely in implizit type conversions.
select * from <table_name> where substr(called_calling_no,-10,4)='9904';

Migration of Microsoft SQL Server 7.0 Takes A Long Time

I just installed Migration Workbench yesterday and tried to run
it. It seems take a long time trying to load source tables.
(Almost 6-7 hours!) But no error message showed up. I finally had
to cancel it. Is it normal? Please advice.
- Brian Luo
null

Thanks, that definitely would help.
- Brian
Oracle Migration Workbench Team wrote:
: Hi Brian,
: The full production version will be available on the 8.1.6
: release 2 CD early next year.
: The release that is downloadable now from Technet is very close
: to production. We have a number of customers who have already
: completed full migrations with this release. If you encounter
any
: issues please foward them on and we will deal with them asap.
: By the way, for our next release we have added a check into the
: SQL Server 6.5 and SQL Server 7.0 plugin that checks what
version
: of SQL Server you are connecting to. It will report an error if
: you are connecting to an incompatible version. I guess this
would
: have saved you some time.
: Regards
: John
: Brian Luo (guest) wrote:
: : Thanks for your response. I was using 1.2.2.2 to migrate a
SQL
: : Server 7.0 schema. But I found in this thread that it only
: : supports migration from SQL Server 6.5. I just downloaded the
: : beta version of Migration Workbench 1.2.4. It seems to be
: : working. I wonder when the official version that supports SQL
: : Server 7.0 will be available?
: : - Brian
: : Oracle Migration Workbench Team wrote:
: : : Hi Brian,
: : : This is not normal behavior. Unless the schema you are
trying
: : to
: : : migrate is huge e.g. hundreds of tables and stored
: procedures,
: : : the workbench should be able to load it un under 1 hour.
: : : Does your schema have a lot of stored procedures and
tables?
: : : Are you using any foreign character sets?
: : : Regards
: : : John
: : : Brian Luo (guest) wrote:
: : : : I just installed Migration Workbench yesterday and tried
to
: : run
: : : : it. It seems take a long time trying to load source
tables.
: : : : (Almost 6-7 hours!) But no error message showed up. I
: finally
: : : had
: : : : to cancel it. Is it normal? Please advice.
: : : : - Brian Luo
: : : Oracle Technology Network
: : : http://technet.oracle.com
: Oracle Technology Network
: http://technet.oracle.com
null

Table.Join/Merge in Power Query takes extremly long time to process for big tables

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