Solved

sql query with 4 tables

Posted on 2011-09-21
8
220 Views
Last Modified: 2012-05-12
Hi,

Here I am referring to 4 tables any help with joins is appreciated.


Select *  From Personal_Details 'table Personal_Details
Where  
((Personal_Details.CURRStatus in ('Active','PreservedPensioner','Pensioner','Widow','Child','No Liability'))
and  (Personal_Details .Dateleft > dateadd(y,9-20-2011,-1)))
or DEATHBENEFIT Dbdate > dateadd(y,9-20-2011,-1) 'table DEATHBENEFIT
or PENSIONER_DETAIL.Pdpencomm  > dateadd(y,9-20-2011,-1)' table PENSIONER_DETAIL
or TRANSFER_OUT_HISTORY > dateadd(y,9-20-2011,-1) 'table TRANSFER_OUT_HISTORY

Cheers
0
Comment
Question by:RIAS
  • 4
  • 4
8 Comments
 
LVL 73

Expert Comment

by:sdstuber
Comment Utility
something like this?

SELECT *
  FROM personal_details
      JOIN deathbenefit
          ON ((personal_details.currstatus IN
                   ('Active', 'PreservedPensioner', 'Pensioner', 'Widow', 'Child', 'No Liability'))
              AND (personal_details.dateleft > dateadd(y, 9 - 20 - 2011, -1)))
             OR deathbenefit.dbdate > dateadd(y, 9 - 20 - 2011, -1)
      JOIN pensioner_detail
          ON pensioner_detail.pdpencomm > dateadd(y, 9 - 20 - 2011, -1)
      JOIN transfer_out_history
          ON transfer_out_history > dateadd(y, 9 - 20 - 2011, -1)
0
 

Author Comment

by:RIAS
Comment Utility
Thanks for the reply but the query loops infinitely.

Cheers
0
 

Author Comment

by:RIAS
Comment Utility
Hi,
This is a spec, all marked in bold are tables:

Where  [Personal_details.currStatus] at '21-Sept-2011'  = “Active” or “Preserved Pensioner” or “Pensioner” or  “Widow(er)”  or “Child”
OR where  [Personal_details.Status] at '21-Sept-2011'   = “No Liability”
and  [Personal_details.Dateleft], [death_benefit..Dbdate], [pensioner_detail.Pdpencomm] or [Transfer_out_history.Topaid]  later than (%Input_Date% less 1 Year)

Cheers
0
 
LVL 73

Expert Comment

by:sdstuber
Comment Utility
>>> query loops infinitely.

how does that query "loop"  ?

it might take a long time, but it can't loop

can you give some sample data and expected results?
0
Comprehensive Backup Solutions for Microsoft

Acronis protects the complete Microsoft technology stack: Windows Server, Windows PC, laptop and Surface data; Microsoft business applications; Microsoft Hyper-V; Azure VMs; Microsoft Windows Server 2016; Microsoft Exchange 2016 and SQL Server 2016.

 

Author Comment

by:RIAS
Comment Utility
Hi,
The query resulted  in 213000 rows.There was only one number duplicated 213000 times and also it needed to be cancelled as it was executing even after 213000 .

Cheers
0
 
LVL 73

Expert Comment

by:sdstuber
Comment Utility
perhaps your join conditions aren't restrictive enough
 so you're seeing the cartesian explosion of extra rows
0
 
LVL 73

Accepted Solution

by:
sdstuber earned 500 total points
Comment Utility
do you have any columns between the tables that should be linked?

for example....

if you have 100 rows in personal_details that meet your status and date criteria

and if you have 100 rows in transfer_out_history that meet your date criteria

then your results will have 10000 rows because nothing above has information restricting the relationships between the two tables.

So,  every row in each table will be joined to every row in the other table.

Same with the other two tables.  


If each table had a mere 100 rows matching their respective criteria above,
  that would yield 100000000  rows total in the output

0
 

Author Closing Comment

by:RIAS
Comment Utility
Cheers mate
0

Featured Post

Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

Join & Write a Comment

Suggested Solutions

Occasionally there is a need to clean table columns, especially if you have inherited legacy data. There are obviously many ways to accomplish that, including elaborate UPDATE queries with anywhere from one to numerous REPLACE functions (even within…
Load balancing is the method of dividing the total amount of work performed by one computer between two or more computers. Its aim is to get more work done in the same amount of time, ensuring that all the users get served faster.
Familiarize people with the process of retrieving data from SQL Server using an Access pass-thru query. Microsoft Access is a very powerful client/server development tool. One of the ways that you can retrieve data from a SQL Server is by using a pa…
This video shows how to set up a shell script to accept a positional parameter when called, pass that to a SQL script, accept the output from the statement back and then manipulate it in the Shell.

743 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

Need Help in Real-Time?

Connect with top rated Experts

19 Experts available now in Live!

Get 1:1 Help Now