Hi Jerry,
You should use transactions any time you're doing a read-modify-write cycle
that could be happening concurrently - eg, it could be modified concurrently
by more than one user.

-Nick Johnson

On Wed, Oct 7, 2009 at 1:47 PM, jerry ramphisa <[email protected]> wrote:

>
> Hi
> I have three sets of tables. Now, from readings I found that I could
> implement the database using transactions. I just want to know when
> exactly should transactions be used instead of normal queries to the
> database.
>
> Regards
> Jerry
> >
>


-- 
Nick Johnson, Developer Programs Engineer, App Engine
Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number:
368047

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