On Mar 17, 2009, at 4:47 AM, Craig Ringer wrote:
The question is: Which DBMS do you think is the best for this kind of
application? PostgreSQL or MySQL?
As you can imagine, PostgreSQL.
My main reasons are that in a proper transactional environment (ie
you're not using scary MyISAM tables) Pg is *much* better about
handling
concurrent load, particularly concurrent activity by readers and
writers.
Actually, following this comment it should be noted that if you were
to choose MySQL you'd pretty much be making a decision to *not* be
using transactions at all. The reason for this is that while InnoDB
does support MySQL's geometry data types it does *not* support indexes
on geometry columns, only MyISAM does which does not support
transactions. Call me old fashioned if you like, but I like my data
to have integrity ;)
Erik Jones, Database Administrator
Engine Yard
Support, Scalability, Reliability
866.518.9273 x 260
Location: US/Pacific
IRC: mage2k
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