You do not have to manually insert. The JPA provider will do it for you.
Mangala Tk wrote:
> Hi
>
> I am working with JPA(Netbeans/glassfish/mysql) example for Student
> Apllication
> case: " Any student can go to any class" So ManyToMany mapping
> between Student and CLasses entity classes
>
> in database it is creating 3 tables
> 1. Student
> 2.Classes
> 3.student_classes
>
> the 3rd one is because of Collection i used as it is manytomany
> student table have fields as ID , NAME
> Classes have fileds as classID , NAMe
>
> student_classes have studentID and CLassID as fileds
>
> now after saving of each student it should update student_Classes
> table also . Please tell me how to do this?
> do i have to insert mannually for that 3rd table? then how to write
> insert query ?
> SASKEN BUSINESS DISCLAIMER
> -------------------------
> This message may contain confidential, proprietary or legally privileged information. In
> case you are not the original intended Recipient of the message, you must not, directly or
> indirectly, use, Disclose, distribute, print, or copy any part of this message and you are
> requested to delete it and inform the sender. Any views expressed in this message are
> those of the individual sender unless otherwise stated. Nothing contained in this message
> shall be construed as an offer or acceptance of any offer by Sasken Communication
> Technologies Limited ("Sasken") unless sent with that express intent and with due
> authority of Sasken. Sasken has taken enough precautions to prevent the spread of
> viruses. However the company accepts no liability for any damage caused by any virus
> transmitted by this email
>