Re: Concurrency in an RDB

On Dec 14, 8:17 am, "Cimode" <cim..._at_hotmail.com> wrote:
> Christopher Browne a écrit :
>
> > In an attempt to throw the authorities off his trail, Bob Badour <bbad..._at_pei.sympatico.ca> transmitted:
> > > Transactions may acquire and release many locks over the duration of
> > > the transaction which may be orders of magnitude longer than the
> > > duration of any lock.
>
> > Are you sure they ought to release them?
>
> There is NO direct relationship between locks and deadlocks.

Indeed. Modern climatologists attribute the rise in deadlocks to a variety of causes, some of which are human activity. Note that there is no disagreement anymore about whether deadlock actually occurs; it is too well documented at this point. However, how much deadlock is the result of industrial emanations is still under debate.

Marshall

PS. Almost forgot: /rimshot Received on Thu Dec 14 2006 - 17:56:52 CET