Why is a join table better than a join column for OneToMany?

amitkasher · **Joined:** Mon Dec 18, 2006 9:50 am **Posts:** 2

It is described here: http://www.hibernate.org/hib_docs/annot ... ollections

The only advantage I see to join tables are that your basic entities don't change themselves to reflect the relationships they are in. However, aside from the fact that this can be considered a drawback, doesn't the join column approach perform better (faster) than the recommended join table approach?

Thanks,

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Amit Kasher

emmanuel · **Posted:** Mon Dec 18, 2006 2:12 pm

you are correct. Cleaner model vs faster design

ccanning · **Joined:** Thu Jul 29, 2004 11:55 pm **Posts:** 75

How would you make this bi-directional?

emmanuel · **Posted:** Wed Dec 20, 2006 7:21 pm

@OneToMany(mappedBy="...")