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Object Relational Mapping

JPA, JDO, Hibernate, and other such new fangled database technologies

This forum is for mapping frameworks. For questions about SQL itself, we recommend the JDBC forum or the interactive JDBC FAQ! We also have a Hibernate FAQ

Best this year

This class has a composite primary key. It must use an ID class.

22 replies 2

Object Relational Mapping

Is composite-primary key the best solution - Hibernate Spring

7 replies

Can you give me real time scenario when to use Procedure, Function, Cursor, Trigger?

3 replies 2

Integer versus int

4 replies

Error in persistence and other files

8 replies 1

Object Relational Mapping

Hibernate shenanigans

5 replies

Can we have validations like this if we are not using JPA ?

10 replies

Multiple representations of the same entity are are being merged

4 replies

Is there a way to create a Conditional insert with JPA

6 replies

Error on @Entity

2 replies

Object Relational Mapping

Flush old data and make query for a new data

5 replies

Entity is not mapped

3 replies

Object Relational Mapping

MyBatis

11 replies

Hibernate ENVERS AuditQuery returns only parts of the entity

3 replies

Squeezing Four HQL Queries Into One

14 replies

Problem with hibernate-configuration and session

2 replies

SessionHolder cannot be cast to EntityManagerHolder problem

2 replies

Could not load minecraft plugin: NoClassDefFoundError

2 replies

hibernate : data layer separate from object layer

2 replies

Object Relational Mapping

Deleting a Many to Many entry while keeping both objects in the database

1 reply

More »
Best this month

Object Relational Mapping

Is composite-primary key the best solution - Hibernate Spring

7 replies

Integer versus int

4 replies

Multiple representations of the same entity are are being merged

4 replies

Hibernate ENVERS AuditQuery returns only parts of the entity

3 replies

Problem with hibernate-configuration and session

2 replies

SessionHolder cannot be cast to EntityManagerHolder problem

2 replies

Could not load minecraft plugin: NoClassDefFoundError

2 replies

hibernate : data layer separate from object layer

2 replies

Object Relational Mapping

Deleting a Many to Many entry while keeping both objects in the database

1 reply

Hibernate sessionFactory is null

3 replies

orphan child for Many To Many mappings

0 replies

Hibernate one to many mapping with foreign key association

0 replies

More »
Object Relational Mapping Forum at JavaRanch

Doubt in a Hibernate feature

7 years ago 9 replies

Hibernate Many to ManyMapping

7 years ago 0 replies

Hibernate - Problems with @onetomany

7 years ago 8 replies

Getting same record in query.

7 years ago 2 replies

entityManager produces incorrect SQL when using limit

7 years ago 1 reply

Problem in Hibernate/Spring Annotations

7 years ago 2 replies

war file failed to deploy

7 years ago 2 replies

java.util.zip.ZipException: error in opening zip file

7 years ago 1 reply

JPA-Hibernate - EntityExistsException Question

7 years ago 1 reply

Getting column names from the table name

7 years ago 1 reply

what plugins and what jars i have to add for hibernate in eclipse 3.6.0 helio version

7 years ago 1 reply

Recursive table with non-primary key field problem

7 years ago 0 replies

what is second level hibernate cache?

7 years ago 1 reply

org.hibernate.PropertyAccessException

7 years ago 1 reply

Need to understand session.merge()

7 years ago 2 replies

Configuration error. Class [org.apache.derby.jdbc.ClientDriver] not found

7 years ago 1 reply

HQL join syntax

7 years ago 3 replies

I need help with Hibernate

7 years ago 11 replies

data transfer using hibernate and toplink

7 years ago 2 replies

Entity classes from database

7 years ago 6 replies

Error:Exception in thread "main" java.lang.NoSuchMethodError: org.slf4j.Logger.isTraceEnabled()

7 years ago 1 reply

org.hibernate.PropertyAccessException

7 years ago 4 replies

Hibernate : Restrictions Vs Expression

7 years ago 3 replies

Reattaching of objects in Java

7 years ago 4 replies

Hibernate 3: java.sql.SQLException: Field 'passwordConfirmation' doesn't have a default value

7 years ago 5 replies

Hibernate Filter not working

7 years ago 1 reply

left join fetch returning unordered set

7 years ago 2 replies

Is Hibernate optimistic or pessimistic or both?

7 years ago 1 reply

Import mysql dump through java program (not responding).

7 years ago 0 replies

[JPQL] IN clause

7 years ago 6 replies

[NewBie] Not able to connect JPA and Hibernate ?

7 years ago 0 replies

Questions about LAZY and EAGER loading (JPA 1.0)

7 years ago 5 replies

Dynamic Datasource Routing

7 years ago 2 replies

Hibernate Annotation: Many-to-many JoinTable with 3 Tables

7 years ago 0 replies

org.hibernate.NonUniqueObjectException

7 years ago 0 replies
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Object Relational Mapping

Best this year

This class has a composite primary key. It must use an ID class.

Is composite-primary key the best solution - Hibernate Spring

Can you give me real time scenario when to use Procedure, Function, Cursor, Trigger?

Integer versus int

Error in persistence and other files

Hibernate shenanigans

Can we have validations like this if we are not using JPA ?

Multiple representations of the same entity are are being merged

Is there a way to create a Conditional insert with JPA

Error on @Entity

Flush old data and make query for a new data

Entity is not mapped

MyBatis

Hibernate ENVERS AuditQuery returns only parts of the entity

Squeezing Four HQL Queries Into One

Problem with hibernate-configuration and session

SessionHolder cannot be cast to EntityManagerHolder problem

Could not load minecraft plugin: NoClassDefFoundError

hibernate : data layer separate from object layer

Deleting a Many to Many entry while keeping both objects in the database

Best this month

Is composite-primary key the best solution - Hibernate Spring

Integer versus int

Multiple representations of the same entity are are being merged

Hibernate ENVERS AuditQuery returns only parts of the entity

Problem with hibernate-configuration and session

SessionHolder cannot be cast to EntityManagerHolder problem

Could not load minecraft plugin: NoClassDefFoundError

hibernate : data layer separate from object layer

Deleting a Many to Many entry while keeping both objects in the database

Hibernate sessionFactory is null

orphan child for Many To Many mappings

Hibernate one to many mapping with foreign key association

Object Relational Mapping Forum at JavaRanch

Doubt in a Hibernate feature

Hibernate Many to ManyMapping

Hibernate - Problems with @onetomany

Getting same record in query.

entityManager produces incorrect SQL when using limit

Problem in Hibernate/Spring Annotations

war file failed to deploy

java.util.zip.ZipException: error in opening zip file

JPA-Hibernate - EntityExistsException Question

Getting column names from the table name

what plugins and what jars i have to add for hibernate in eclipse 3.6.0 helio version

Recursive table with non-primary key field problem

what is second level hibernate cache?

org.hibernate.PropertyAccessException

Need to understand session.merge()

Configuration error. Class [org.apache.derby.jdbc.ClientDriver] not found

HQL join syntax

I need help with Hibernate

data transfer using hibernate and toplink

Entity classes from database

Error:Exception in thread "main" java.lang.NoSuchMethodError: org.slf4j.Logger.isTraceEnabled()

org.hibernate.PropertyAccessException

Hibernate : Restrictions Vs Expression

Reattaching of objects in Java

Hibernate 3: java.sql.SQLException: Field 'passwordConfirmation' doesn't have a default value

Hibernate Filter not working

left join fetch returning unordered set

Is Hibernate optimistic or pessimistic or both?

Import mysql dump through java program (not responding).

[JPQL] IN clause

[NewBie] Not able to connect JPA and Hibernate ?

Questions about LAZY and EAGER loading (JPA 1.0)

Dynamic Datasource Routing

Hibernate Annotation: Many-to-many JoinTable with 3 Tables

org.hibernate.NonUniqueObjectException

Databases