Solved

Optimizing TSQL query

Posted on 2006-06-21
5
403 Views
Last Modified: 2012-05-05
Hello,
I am running a query which takes about one hour.Can any one help me optimize it.
Here is the query:

Select * into #TAD  from
OPENQUERY(DWDB, 'select DW_PR_SVC_LOAN_ID,DELQ_PRIN_AMT
as Total_Amt_Due from DW_PR_SVC_LOAN_MOD ')

Update  tbl_MaestroCampaignList set TotalAmountDue = #TAD.Total_Amt_Due
from (tbl_MaestroCampaignList inner join #TAD
on tbl_MaestroCampaignList.DW_PR_SVC_LOAN_ID = #TAD.DW_PR_SVC_LOAN_ID)
where
datediff(day,GetDate(),campaignDate)=0 and CampaignName ='FirstLienPreFCL'

I have to basically calculate Total Amount only for the loans in tbl_MaestroCampaignList .But I have to get these values from Datawarehouse table which has about a million loans. How to optimize it.
Thanks  bunch
0
Comment
Question by:justin11
  • 2
5 Comments
 
LVL 50

Expert Comment

by:Lowfatspread
ID: 16951532
what takes the time
the select into
or the update ?

which version of sql server?

why isn't the maestrocampaignlist in the warehouse?

why do you need to  datediff on campaigndate?
0
 
LVL 28

Expert Comment

by:imran_fast
ID: 16952152
create this index it will speed upd the process a bit.
0
 
LVL 28

Accepted Solution

by:
imran_fast earned 500 total points
ID: 16952160
create this index it will speed up the process a bit.

create nonclustered index ix_tbl_MaestroCampaignList_01 on tbl_MaestroCampaignList(CampaignName,DW_PR_SVC_LOAN_ID)
0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Having an SQL database can be a big investment for a small company. Hardware, setup and of course, the price of software all add up to a big bill that some companies may not be able to absorb.  Luckily, there is a free version SQL Express, but does …
Why is this different from all of the other step by step guides?  Because I make a living as a DBA and not as a writer and I lived through this experience. Defining the name: When I talk to people they say different names on this subject stuff l…
Using examples as well as descriptions, and references to Books Online, show the documentation available for date manipulation functions and by using a select few of these functions, show how date based data can be manipulated with these functions.
Via a live example, show how to setup several different housekeeping processes for a SQL Server.

839 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question