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Doc: SQL Server with Access front end

July 20 2011 at 10:37 PM

  (Premier Login Oscar50)
Forum Owner

Recently migrated a database from SQL2K to SQL2K8. Access adp/ade front end. We're getting some hanging. I suspect locking issues. Any experience or advice in what to look for? User says they open a drop down (under 100 records) and the app freezes for minutes.


 
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Tim
(no login)

Not compatible

July 21 2011, 3:43 AM 

SQL2K to SQL2K8 has compatibility problems.
SQL2K to SQL2K5 works OK.

You might want to look here;
http://msdn.microsoft.com/en-us/library/bb677622.aspx

Bro Tim



 
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Doc Strange
(Login edstrange13)
Sufi

Well, yes, they are compatible.

July 21 2011, 1:54 PM 

The biggest problem I've seen upgrading from SQL2K to SQL2K8 is new field type stuff. For example, SQL2K8 has a more enhanced date field format than SQL2K.

But they ARE compatible.

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"Forget Jesus! Stars died so you could be here today." -- Dr. Lawrence Krauss, theoretical physicist

 
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Doc Strange
(Login edstrange13)
Sufi

What version of MS Access are you using?

July 21 2011, 9:00 AM 

What version of Access are the users using?

Not sure what the problem would be. When I switched our users over from a SQL2K over to SQL2K8 (and 2005), we didn't have any issues, and I have a mixed environment of MS Access, going from 2000, 2003, and 2007. The only issues I had with performance was coming from the server itself. Old, needed to be retired.

First off, I'd make sure all the users have the latest updates for Office and Windows.

Oh, you could also try deleting the DSN connection on the workstation, and reset it. SQL2K8 may be doing something different when setting up the initial connection.

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"Forget Jesus! Stars died so you could be here today." -- Dr. Lawrence Krauss, theoretical physicist

 
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(Premier Login Oscar50)
Forum Owner

Thanks

July 21 2011, 10:55 AM 

It's an ADE. So no DSN.

I'll run a Profiler on locks this morning and see if that shows something or other. Tried a profiler on long running queries, didn't show much. But we had a failover in the middle, so that cut it short.

The analyst tells me that the app behaved better under SQL2K than under SQL28K.

I'll see what the profiler shows. There seem to be mixed opinions on whether to use the NOLOCK hint on views, when using an Access front end.


 
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Doc Strange
(Login edstrange13)
Sufi

Let me know how it works.

July 21 2011, 1:51 PM 

I myself am going to be upgrading another SQL2K database to SQL2K8 in about 2 weeks. happy.gif

-----------------------------------------------
"Forget Jesus! Stars died so you could be here today." -- Dr. Lawrence Krauss, theoretical physicist

 
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