What is the query to update table in ejb3.0

Hi Friends,
I am developing one application using ejb3.0 in Netbeans IDE 6.7.1 with Glassfish Application server.
To insert data we use "entitymanager.persist(Insert insert);"
To retrieve all data from table "entitymanager.createQuery("")'
In the same way what is the query for update?
Could you please help me.
Thanks in advance.

[the answer|http://lmgtfy.com/?q=java+jpa+udpate+query]

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