[CentOS] Centos/Linux Disk Caching, might be OT in some ways
rswwalker at gmail.com
Tue Jan 26 14:48:36 UTC 2010
On Jan 26, 2010, at 2:30 AM, JohnS <jses27 at gmail.com> wrote:
> On Tue, 2010-01-26 at 13:41 +0800, Christopher Chan wrote:
>> JohnS wrote:
>>> On Tue, 2010-01-26 at 08:19 +0800, Christopher Chan wrote:
>>>> Are complicated relationships being stored in postgresql and not in
>>>> mysql? I do not know how things are now but mysql has a history
>>>> of only
>>>> being good for simple selects.
>>> Selects can get very upity for mysql as in "VIEWS". They can do
>>> Inner Join and Outter among many more things. VIEW myview as
>>> SELECT can
>>> do some very very logical calcs and predictions. I promise it is
>>> just for simple selects.
>> By 'being good only for simple selects' I meant performance wise.
>> is what this thread is all about - performance. Sure you can make
>> complicated queries on mysql but compared to postgresql they would
>> quite some time. Again, this is based on stuff in the past. Maybe
>> has improved now.
> Sure, I knew what you meant, but we gonna Bang Heads on your
> of simple selects. I can't compare performance to postgresql but I am
> willing to bet that mysql can do alot more. Doing something like a
> "Breadth First" or "Depth First" logical operation, it is sad for me
> even say MySQL is faster in that area with predictions than MSSQL.
> Having said that I really love mssql and sqlce. Now we getting OT.
> Great things started to happen with mysql @ version 5 >. Now it's
> probally going to wither away. Who really knows?
Some really nice things are happening with postgresql as well, you
should check it out.
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