Granny's Programming Pearls
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needed clarification

 
Greenhorn
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Hai
Is it compulsory that foreignkey columns must be null;
Is it compulsory that primarykey field and foreignkey column names in
databse tables sholuld not be same?
is it compulsory that fields of compound primary key class should be of object type?
what are the maximum number of cmrfields in a bean?
Thanx
Ranga
 
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