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Openquery from Sql Server 2003 to Oracle


Openquery from Sql Server 2003 to Oracle

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gprasanna
gprasanna
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Hi All,

I am working on a task, where I am connecting to Oracle database to update a row from SQL server 2000. I use OPENQUERY to connect and execute the update query in the Oracle database.

UPDATE OPENQUERY(ORACLE_LINKED, 'Select attribute1 from SettingMaster Where status = 1')
SET ATTRIBUTE1 = '25'

I have a issue when I try to update a record, but if it is locked by other application/user for update, my query waits infinitely.

I need a way to set a timeout here of 60 seconds, and proceed on the next record to update.

Any ideas are highly appreciated.

Thanks,
Prasanna.
gprasanna
gprasanna
Forum Newbie
Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)

Group: General Forum Members
Points: 3 Visits: 29
All pardon me, for the incorrect SQL Server version, it should be SQL Server 2000

Thanks,
Prasanna.
gprasanna
gprasanna
Forum Newbie
Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)Forum Newbie (3 reputation)

Group: General Forum Members
Points: 3 Visits: 29
Hi All,

After lot of struggle, I finally found the solution. Adding 'FOR UPDATE NOWAIT' helped really. Ofcourse it did not happen without any reference online. I found a blog written by 'Hernk' useful for the resolution. Below is the link to the blog post.

http://hernk.wordpress.com/2006/06/21/simulating-lock-timeout/

the solution is:

UPDATE OPENQUERY(ORACLE_LINKED, 'Select attribute1 from SettingMaster Where status = 1 FOR UPDATE NOWAIT')
SET ATTRIBUTE1 = '25'

Thanks,
Prasanna
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