Home Discussion Discuss: JPA Many-to-Many Relationship

  • not workin properlyAshish Kumar April 14, 2011 at 5:34 PM

    Hi, I have tried this example for mysql db. I found that Book and author table are being populated rightly but the third table book_author is not being populated. When i change the engine type to Innodb then the records are not being inserted into any of the three table. Kindly suggest the cause and remedy!

  • joinsAkram Malkawe September 7, 2012 at 8:45 AM

    that is great! but what happens if you need a query that would use that many to many relationship using JPQL, I mean the author_book is not an entity what would you do if for example you need a query to get all the authors who wrote books that have an ID<3

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