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Re: Avoiding any locks in SQL Servers - read and understand....its magic.

From: Brian Peasland <dba_at_remove_spam.peasland.com>
Date: Tue, 19 Aug 2003 14:35:47 GMT
Message-ID: <3F4235C3.CE8AC410@remove_spam.peasland.com>


> > well as the transaction manager itself. With MVCC and MVTO it is
> > possible to delay one transaction as long, as the other transaction
> > writing into the database. Then, if done, the delayed transaction
>
> Enlighten me, folks:
>
> wot is the difference between "delaying" a transaction
> and making it wait on a lock?
>
> <jeez...>

In one, the data is prevented from being accessed. In the other, the transaction is prevented from even processing. Wow. That's the secret!!!! But I suppose that the end user couldn't care less what is happening under the covers just so long as the ACID properties of transactions are held true.

Cheers,
Brian

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Brian Peasland
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Received on Tue Aug 19 2003 - 09:35:47 CDT

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