You could also use semaphores/locks :)

---
Scott Hurring
Systems Programmer
EAC Corporation
[EMAIL PROTECTED]
Voice: 201-462-2149
Fax: 201-288-1515

> -----Original Message-----
> From: Svensson, B.A.T. (HKG) [mailto:[EMAIL PROTECTED]]
> Sent: Friday, April 26, 2002 7:22 AM
> To: Matt Babineau
> Cc: 'Php-Win (E-mail)'
> Subject: RE: [PHP-WIN] MySQL / PHP - possible to run many sql 
> statements
> in the same execution?
> 
> 
> > What I would need to do here is either lump all the 
> queryioes into one
> > SQL execution or lock the PHP code so it is single threaded 
> like this:
> 
> I understand this as that you are trying to deal with the (in)famous
> readers&writer problem here? There is a basic technique to deal with
> this, and it is called an "atomic action".
> 
> In an RDBMS you can perform an atomic action by starting up a 
> transacation
> with the highest isolation level. However, in most case you 
> don't need to be
> _that_ much "atomic", and a lower transaction lever might 
> very well be optimal
> solution most purposes (unnecessary high isolation levels 
> degrades performance.)
> 
> 
>       //Anders - idiot
> 
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