Time for my 2 cents
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It does bother me but if you have a look at the code in the sample Depot Application for the models (generated by Netbeans) you can put nice annotated docs to suggest the fields (I believe the book "Agile Development with Rails" specifies more).
I got used to having the DB console open in the first stages of developing the application. Of course with Java/Hibernate things are not so bad but it's not a major block.
The fact that you can discover the error in an instant kind of compensates for this small annoyance.
This reminds me I should use that plugin for my current RoR code
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Better, faster, lighter Java ... you mean Ruby right ?
SCEA5,SCBCD1.3,SCWCD5,SCJP1.4 - memories from my youth.