Flex and databases

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i'm quite newbie apologies if off base on facets have played flex bit , know way around databases have no experience cfusion/php/.net?/etc.

i have read on first amfphp cfusion rds blazeds , little unclear on basics.

1. "best" technology dependent on many factors including cost imho seems coldfusion offers less steep learning curve added features , other integration benefits. comments?

2. rds built coldfusion 7+ (how can tell if activated?) , adobe proprietary method of communicating cfusion dreamweaver/flex ???? (i.e. 3 aforementioned can communicate via http etc rds best? xml conversion flex tutorials seem based on?

3. blazeds enables server push etc complement cfusion (though can installed on web server independently)??

4. there no easy way connect flex mysql (i noted new connect button in flex 3 beta)? if use cfusion on server have create .cfm page or flex me?

links more basic tutorials have found on adobe.com great -- imho seem assume high level of knowledge in @ least 1 or more products (frankly php stuff boggling , have enough trouble organizing flex apps without failing connect cfusion server ;)

thanks in advance



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