Need help with Hibernate?

3.1:



I wants to this Thing. I have parent class "Employee" and Child Class "Department".

data in data base
Employee
emp1,
Have 2 child say dept1,dept2,


then For modification purpose I query "emp1",

then update "dept1" element,and delete "DEPT2", and add 2 new child say dep3,dept4.


After save dept1 is updated
dept3,dept 4 is inserted
BUT dept2 is not deleted.(How can hibernate will delete this automatically)


with regards


Siddharth Singh singhsiddh@yahoo.com