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
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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
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]
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Author: Naveen Nahata
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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
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.
--
Pruner Jan
[EMAIL PROTECTED]
http://jan.pruner.cz/
-
Only Robinson Crusoe had all his work done by Friday
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Author: Jan Pruner
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