Win a copy of Mastering Corda: Blockchain for Java Developers this week in the Cloud/Virtualization forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Paul Clapham
  • Ron McLeod
  • Bear Bibeault
  • Liutauras Vilda
Sheriffs:
  • Jeanne Boyarsky
  • Tim Cooke
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Tim Holloway
  • Stephan van Hulst
  • Jj Roberts
  • Carey Brown
Bartenders:
  • salvin francis
  • Frits Walraven
  • Piet Souris

EJB3.0

 
Greenhorn
Posts: 10
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
hi all
I want to knoe that wat the mean of @GenratedValue anotation in EJB3.0.according to Orelly book this will allow the provider to auto genrate the primary key.but its not happening.if i am not genrating primary key manually then database is not going to affect.
& also wats the use of Primary Key class.
Pleae help...
Thanks
[ November 03, 2008: Message edited by: panki vijay ]
 
Ranch Hand
Posts: 697
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Can you post the exact source, the JPA implementation (hibernate, TopLink) and target DB (MySQL, PostgreSQL) that you're using?

Thanks.
 
panki vijay
Greenhorn
Posts: 10
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
My this problem is solved...
[ November 18, 2008: Message edited by: Ulf Dittmer ]
 
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.
reply
    Bookmark Topic Watch Topic
  • New Topic