manual changes in database, will update entity beans?

Greetings,

Entity beans are notified (updated) when a manual change in the database
table occurs? For instance, imagine I update manually a database table,
the entity beans will be actualized? In what conditions if apply.

I was wondering, if in the same way I have a transaction isolation (JTA)
that will prevents the concurrency or another isolation level by locking
data in the entity beans instances, it's possible that changing the
database (commiting), my entity beans will be synchronized to avoid
inconsistencies?

Could anyone give me a brief explanation about the data consistency
between entity beans and the data itself and how cache would be
affected.

thanks,
Pedro Salazar.
--
PS
[email protected]
PGP:0E129E31D803BC61

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