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File locking using Sql Update in Windows2003 Server
Message
 
To
11/01/2012 01:40:31
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP
Network:
Windows 2003 Server
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01532645
Message ID:
01532745
Views:
34
Thanks Fabio, we apreciate that your solution is going to be the one that breaks the camel's back. It will reguire rewriting the code and retesting. Perhaps I will need to bite the preverbial bullet.


>>Thanks Naomi for your quick response. This needs to be done 13000 times in a transaction one by one. By the way I am using Visual Foxpro tables and doing sql updates and not native VFP data commands.
>>
>>
>>>>I have a problem and I am seeking a little help. I have an application that's trying to do 13000 Sql Updates in a transaction to 2 tables. It runs fine for about 2000 or so updates and then hangs. When I check the server for file locks, I notice that there are 2000 or so locks on each file. I cannot identify what's causing this and I am wondering if there is a lock limit on the server that maybe an issue here? Thanks in advance for any help.
>>>
>>>Can you do this in one update stament or you want to run these 13000 in a transaction one by one?
>>>
>>>Just yesterday I was reading a blog on this exact topic
>>>http://aboutsqlserver.com/2011/05/12/locking-in-microsoft-sql-server-part-3-blocking-in-the-system/ (I read first 2 in the series and will read the rest soon) - these are really great and simple to understand blogs about isolation levels and lock types in SQL Server.
>
>INSERT VFP data into a private SQL #tempTable,
>then update the shared table with a single UPDATE.
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