Re: mysql to postgresql, performance questions

On Mon, 22 Mar 2010 12:14:51 +0100, Merlin Moncure   
wrote:

> On Sun, Mar 21, 2010 at 9:14 PM, Dave Crooke  wrote:
>> Note however that Oracle offeres full transactionality and does in  
>> place row
>> updates. There is more than one way to do it.
>
> There's no free lunch.

MVCC : VACUUM
Oracle : Rollback Segments
MyISAM : no concurrency/transactions

It's all about which compromise suits you ;)