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cherry

on collection mapping
1 Answer(s) 3 years and 3 months ago
Posted in : Hibernate

differences b/w collection mappings tags
list,set,bag

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March 30, 2010 at 2:32 PM

Hi Friend,

Differences:

A set is a collection in which no item occurs more than once.

A bag is a collection in which items may occur more than once. They are very inefficient.

A list is an indexed bag. The index informs hibernate whether a particular in-memory object is the same one as an equal on-DB object or not, so there is no need to delete or re-insert.

Thanks

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