ROLAP (was Re: A test to add to the crashme test) - Mailing list pgsql-hackers

From Michael Robinson
Subject ROLAP (was Re: A test to add to the crashme test)
Date
Msg-id 200005230436.MAA35948@netrinsics.com
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Responses Re: ROLAP (was Re: A test to add to the crashme test)
List pgsql-hackers
"Ross J. Reedstrom" <reedstrm@wallace.ece.rice.edu> writes:
>On Mon, May 22, 2000 at 03:46:39PM +0800, Michael Robinson wrote:
>> MySQL is extremely well suited for it: the data is essentially "read-only"
>> so transactions, locking, etc., are not an issue, 
>
>People keep claiming that applications that are essentially "read-only"
>don't need transactions. I'll agree in the limit, that truly read only
>databases don't, but I think a lot of people might be surprised at how
>little writing you need before you get into trouble. 

Very true.  However, if you can guarantee that there is only ever one
writer (e.g., a batch process), and you don't mind the occasional dirty
read, you don't need any locking at all.
-Michael Robinson



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