Oracle Query not returnning record using BETWEEN keyword in a date calculation.

HI,
I need experts help. I am using VB 6, WinXP, Oracle 8i. One of my queries from VB, retrive records from oracle DB. The query is a follow:
SELECT EMBDTFLD, EMBARGO FROM  MFS.MAGEMBARGO WHERE MID = 'SOR' AND ((to_date('08/01/2003 12:00:00 AM','MM-DD-YYYY HH:MI:SS PM') BETWEEN DTEMBSTART AND DTEMBSTOP) OR ( to_date('08/01/2003 12:00:00 AM','MM-DD-YYYY HH:MI:SS PM') > DTEMBSTART AND DTEMBSTOP IS NULL))

where DTEMBSTART = 1800-01-01 00:00:00 AND DTEMBSTOP = NULL

Whe I run this query at my development envirnement, one record is returned, which is good. When our client run the program, no records returned (We are using the same Oracle Database). I have oracle 8i driver connecting to Oracle 7 DB. They use Oracle 7 driver. Our client retrieeve records if DTEMBSTART >= year 1900.

Does anyone know of any limitation of oracle with pre-1900 dates?

Thanks for all your help
gfahd1Asked:
Who is Participating?
 
keshavapConnect With a Mentor Commented:
Hi,

Just remove "AND ((to_date('08/01/2003 12:00:00 AM','MM-DD-YYYY HH:MI:SS PM') BETWEEN DTEMBSTART AND DTEMBSTOP) OR ( to_date('08/01/2003 12:00:00 AM','MM-DD-YYYY HH:MI:SS PM') > DTEMBSTART AND DTEMBSTOP IS NULL))" from your query and try.
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leonstrykerCommented:
Are there any errors returned to the client's machine?
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gfahd1Author Commented:
leonstryker
No error returned. Just 0 record.

Thanks
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leonstrykerConnect With a Mentor Commented:
Are you able to verify the SQL statement from the client's machine?  

Please try this, change
WHERE DTEMBSTART = 1800-01-01 00:00:00 AND DTEMBSTOP = NULL

to

WHERE DTEMBSTART = 1800-01-01 00:00:00 AND DTEMBSTOP IS NULL
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gfahd1Author Commented:
leonstryker
This Query is in my application, so it is the correct query running on the client machine.
AS you can see in my original query, I am using DTEMBSTOP IS NULL.

Thanks
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leonstrykerCommented:
Yes, but queries are normally concantinated in the code and I am just making sure it is exactly the same.

Have you tried moving the code into a Package and executing that?
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gfahd1Author Commented:
Yes it is the same. I output a log file on the client machine witch shows the exact query as I am running.
Do you think it might have anything to do with an Oracle driver Limitation? Year Base Calculation?

Thanks
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leonstrykerCommented:
It is definently a driver issue, but I doubt it has anything to do with "Year Base Calculation".  

You may be able to test it but trying to insert this date into the database from the clients machine, if that is possible.  If that does not work try inserting todays date.  At the very least this test would let you know if the problem is in the driver or with the date.

Leon
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gfahd1Author Commented:
Hello,
Inserting today's date works fine.
Retrieving any date after year 1900 works fine using any date condition.
Inserting any date works ok.
Retrieving a date before year 1900 with a date condition is a problem.
Retriving all records ok.
Removing Year condition works fine.

So, Client is rebuilding the problem machine.

I will keep you posted on results.

Thanks
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gfahd1Author Commented:
Hello All,
Rebuilding the machine seem to solve the problem.
Thanks for all your help.
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