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Container Managed Relations

 
Maximilian Trenks
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Hello,
I didn't find a good explanation on CMR.
Lets say I have a Table A which references table B. So I could make a table C with primkey of A and primkey of B as attributes.
But is this necessary ? Do i have to create a table and thus an entity bean ?
Or it it possible to just define the relationship as C and use this relation as if a real database table exists ?
Please help me to bring light in this matter.(does this phrase actually exist ?)
Max
 
Consider Paul's rocket mass heater.
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