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 Concat, 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 not just for simple selects. John