[jboss-user] [EJB 3.0] - reference integrity

[A_titov82]

anonymous wrote : 1. is not possible this is not how you would work in a object model (wo persistence) 

But how can I provide reference integrity? If placeOfWork cannot be set to null automatically then it is possible to have references to non-existence objects. Especially in MySql database with MyISAM engine which does not support foreign keys... 

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