Re: SQL query without UNION clause
I think you can translate it as OR, but you have to use some DISTINCT on
output rows (because you use UNION and not UNION ALL).
Without DISTINCT it is like:
SELECT
H1.OID HISTORIEOID
,FAHRZEUG.AMTLICHESKENNZEICHEN
,FAHRZEUG.OID
,H1.PRODUKT
,H1.AUFTRAGSPOSITIONSNR
,H1.MYTECHOBJEKT
FROM FAHRZEUG, HISTORIE H1
WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+)
AND ( (TO_DATE(H1.DATUMSTR,'-MM-DD') = (
select max(TO_DATE(H1.DATUMSTR,'-mm-dd')) from historie, FAHRZEUG
WHERE FAHRZEUG.OID = HISTORIE.MYTECHOBJEKT
AND HISTORIE.MYTECHOBJEKT=H1.MYTECHOBJEKT)
AND H1.PRODUKT IN ('HU', 'AU')
)
OR
H1.PRODUKT IN('DS', 'NFZ','BES', 'DekraSiegel', '70', '700202'))
;
And I think you can change
select max(TO_DATE(H1.DATUMSTR,'-mm-dd'))
to
select TO_DATE(MAX(H1.DATUMSTR),'-MM-DD')
it can now use index on column H1.DATUMSTR (or create function based index)
JP
On Thursday 19 December 2002 08:53, you wrote:
> Hi all,
>
> How do I forumlate the below query without using the UNION clause?
>
> SELECT H1.OID HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
> FAHRZEUG.OID,
> H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
> FROM FAHRZEUG,HISTORIE H1
> WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+)
> AND TO_DATE(H1.DATUMSTR,'-MM-DD') = (select
> max(TO_DATE(H1.DATUMSTR,'-mm-dd'))
> from historie ,FAHRZEUG WHERE FAHRZEUG.OID = HISTORIE.MYTECHOBJEKT AND
> HISTORIE.MYTECHOBJEKT=H1.MYTECHOBJEKT)
> AND H1.PRODUKT IN('HU', 'AU')
> UNION
> SELECT H1.OID HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
> FAHRZEUG.OID,
> H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
> FROM FAHRZEUG,HISTORIE H1
> WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+) AND H1.PRODUKT IN('DS', 'NFZ',
> 'BES', 'DekraSiegel', '70', '700202');
>
> I can't use the union clause because I am using an Object-Relationship tool
> called Cocobase which doesn't support the UNION clause. Any help in this
> regard is very much appreciated.
>
> Thanks and Regards,
>
> Ranganath
>
> WARNING: The information in this message is confidential and may be legally
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RE: SQL query without UNION clause
Try this,
SELECT DISTINCT H1.OID HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
FAHRZEUG.OID,
H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
FROM FAHRZEUG,HISTORIE H1
WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+)
AND
((TO_DATE(H1.DATUMSTR,'-MM-DD') = (select
max(TO_DATE(H1.DATUMSTR,'-mm-dd'))
from historie ,FAHRZEUG WHERE FAHRZEUG.OID = HISTORIE.MYTECHOBJEKT AND
HISTORIE.MYTECHOBJEKT=H1.MYTECHOBJEKT)
AND H1.PRODUKT IN('HU', 'AU')) OR H1.PRODUKT IN('DS', 'NFZ',
'BES', 'DekraSiegel', '70', '700202'))
Regards
Naveen
-Original Message-
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 19, 2002 1:24 PM
To: Multiple recipients of list ORACLE-L
Hi all,
How do I forumlate the below query without using the UNION clause?
SELECT H1.OID HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
FAHRZEUG.OID,
H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
FROM FAHRZEUG,HISTORIE H1
WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+)
AND TO_DATE(H1.DATUMSTR,'-MM-DD') = (select
max(TO_DATE(H1.DATUMSTR,'-mm-dd'))
from historie ,FAHRZEUG WHERE FAHRZEUG.OID = HISTORIE.MYTECHOBJEKT AND
HISTORIE.MYTECHOBJEKT=H1.MYTECHOBJEKT)
AND H1.PRODUKT IN('HU', 'AU')
UNION
SELECT H1.OID HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
FAHRZEUG.OID,
H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
FROM FAHRZEUG,HISTORIE H1
WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+) AND H1.PRODUKT IN('DS', 'NFZ',
'BES', 'DekraSiegel', '70', '700202');
I can't use the union clause because I am using an Object-Relationship tool
called Cocobase which doesn't support the UNION clause. Any help in this
regard is very much appreciated.
Thanks and Regards,
Ranganath
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RE: SQL query without UNION clause
You would be surprised to discover what you could do with OR and suitably placed
parentheses.
>- Original Message -
>From: "Krishnaswamy, Ranganath"
><[EMAIL PROTECTED]>
>To: Multiple recipients of list ORACLE-L
><[EMAIL PROTECTED]>
>Sent: Wed, 18 Dec 2002 23:53:44
>
>Hi all,
>
>How do I forumlate the below query without using
>the UNION clause?
>
>SELECT H1.OID
>HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
>FAHRZEUG.OID,
>H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
>FROM FAHRZEUG,HISTORIE H1
>WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+)
>AND TO_DATE(H1.DATUMSTR,'-MM-DD') = (select
>max(TO_DATE(H1.DATUMSTR,'-mm-dd'))
>from historie ,FAHRZEUG WHERE FAHRZEUG.OID =
>HISTORIE.MYTECHOBJEKT AND
>HISTORIE.MYTECHOBJEKT=H1.MYTECHOBJEKT)
>AND H1.PRODUKT IN('HU', 'AU')
>UNION
>SELECT H1.OID
>HISTORIEOID,FAHRZEUG.AMTLICHESKENNZEICHEN,
>FAHRZEUG.OID,
>H1.PRODUKT,H1.AUFTRAGSPOSITIONSNR,H1.MYTECHOBJEKT
>FROM FAHRZEUG,HISTORIE H1
>WHERE FAHRZEUG.OID = H1.MYTECHOBJEKT(+) AND
>H1.PRODUKT IN('DS', 'NFZ',
>'BES', 'DekraSiegel', '70', '700202');
>
>I can't use the union clause because I am using an
>Object-Relationship tool
>called Cocobase which doesn't support the UNION
>clause. Any help in this
>regard is very much appreciated.
>
>Thanks and Regards,
>
>Ranganath
>
>WARNING: The information in this message is
>confidential and may be legally
>privileged. It is intended solely for the
>addressee. Access to this message
>by anyone else is unauthorised. If you are not the
>intended recipient, any
>disclosure, copying, or distribution of the
>message, or any action or
>omission taken by you in reliance on it, is
>prohibited and may be unlawful.
>Please immediately contact the sender if you have
>received this message in
>error. Thank you.
>--
>Please see the official ORACLE-L FAQ:
>http://www.orafaq.net
>--
>Author: Krishnaswamy, Ranganath
> INET: [EMAIL PROTECTED]
>
>Fat City Network Services-- 858-538-5051
>http://www.fatcity.com
>San Diego, California-- Mailing list and
>web hosting services
>To REMOVE yourself from this mailing list, send an
>E-Mail message
>to: [EMAIL PROTECTED] (note EXACT spelling of
>'ListGuru') and in
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>ORACLE-L
>(or the name of mailing list you want to be removed
>from). You may
>also send the HELP command for other information
>(like subscribing).
>---
>--
Regards,
Stephane Faroult
Oriole
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