I am a new oracle pl/sql developer. This is a very expensive query and
it takes eight hours to produce a report. I just need some validation
from guru's.
Original Message
Date: Thu, 22 Aug 2002 07:48:36 -0800
>Hello,
>
>Did I miss portion of this email ?
>what help is needed for this query ? (tuning, explanation ....???)
>
>Thanks,
>Kavi
>
>cw wrote:
>
>> Hey list Guru, Can anyone help me with this query? Many thanks,
>>
>> SELECT
>> A.COUNTY_CODE,
>> C.COUNTY_NAME,
>> lpad(B.PRECINCT,4,' '),
>> count(*),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(18*12))/(1*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(19*12))/(11*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(30*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(40*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(50*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(60*12))/(5*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> A.DOB)-(65*12))/(10*99)),1,0)),
>> sum(decode(A.DOB, NULL, 1, 0))
>> FROM ONLINE_VOTERS A, ADDRESS_INDEX B, COUNTIES C
>> WHERE A.COUNTY_CODE = B.COUNTY_CODE
>> AND A.ADDRESS_ID = B.ADDRESS_ID
>> AND A.COUNTY_CODE = C.COUNTY_CODE
>> AND A.STATUS IN ('V','S')
>> GROUP BY A.COUNTY_CODE, C.COUNTY_NAME, lpad(B.PRECINCT,4,' ')
>> UNION ALL
>> SELECT
>> D.COUNTY_CODE,
>> C2.COUNTY_NAME,
>> lpad(D.PRECINCT,4,' '),
>> count(*),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(18*12))/(1*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(19*12))/(11*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(30*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(40*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(50*12))/(10*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(60*12))/(5*12)),1,0)),
>> sum(DECODE(0,floor((months_between(sysdate,
>> D.DOB)-(65*12))/(10*99)),1,0)),
>> sum(decode(D.DOB, NULL, 1, 0))
>> FROM OFFLINE_VOTERS D, COUNTIES C2
>> WHERE D.COUNTY_CODE = C2.COUNTY_CODE
>> AND D.STATUS IN ('V','S')
>> GROUP BY D.COUNTY_CODE, C2.COUNTY_NAME, lpad(D.PRECINCT,4,' ');
>>
>> _____________________________________________
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>> --
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>> --
>> Author: cw
>> INET: cw_at_netlimit.com
>>
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>
>
Free email with personality! Over 200 domains!
http://www.MyOwnEmail.com
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--
Author: cw
INET: cw_at_netlimit.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Thu Aug 22 2002 - 12:08:44 CDT
