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How to define database structure and insert some initial objects from scratch

system? Thanks in advance! To populate the database you will have to write Java code. That code
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How to Persist a Map of beans to collections of beans?

.  How does one persist this in package.jdo xml?  Thanks in advance for your help. -A In the package.jdo
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how to query by properties of onetomany relations? (Error 990)

in my test database i have one Foo entity with one Bar relation   thanks in advanced Sorry
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How to Remove records from many to many relationship tables in JPA

need to use this to delete the records from Conclusion and TransportationEvent. Thanks in advance! Please post the exception full stack trace. lakshmi
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How to Use a SF with extended Persistence Context?

Hey, I have a problem to use SF with an Extended Persistence Context Regarding to Transactions. The need for an extended persistence Context emerges for the need to create queries in advance for fast execution so I need to store the queries and I need an EntityManager that doesn't get closed
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Index causes increased memory usage

. Thanks in advance. There is no special cache for indexes. Pages that contain indexes are cached in
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InternalException & UserException using objectdb with Jboss AS 7.1.1 final

advance More information is needed. Possibly this is related to registering persistable types in
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Is it ok to put list or map of embeddable objects in entity ?

put path to jar file containing these classes, but that doesn't help.   Thanks in advance for help
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java.lang.ClassCastException in OSGi runtime when loading data from DB

advance for your support, Alex The ClassCastException probably indicates that the Person class
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javax.persistence.PersistenceException: No Persistence provider for EntityManager named in Karaf 4.0.7 and OSGi DS test

only once to my karaf and use it like any other OSGi bundle. Many thanks in advance for your precious