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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
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Best this year

book is not mapped - hibernate issue

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Object Relational Mapping

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Object Relational Mapping

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1 reply 3

Hibernate mapping problem

5 replies 1

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Object Relational Mapping

Suggest For Books Please

8 replies

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

3 replies 1

* Welcome Thorben Janssen

11 replies 1

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2 replies 1

Object Relational Mapping

Do people still use plain JDBC to do many to many mapping ?

6 replies

Java Reflection Issue resulting in Read Only Transaction Error

1 reply

Object Relational Mapping

JPA cannot persist cascading related entities

7 replies

Object Relational Mapping

getting Invalid column type: getInt not implemented for class oracle.jdbc.driver.T4CRowidAccessor

8 replies 1

What's different between mapping types in Hibernate?

4 replies

How to exclude some indexed items in Hibernate List

3 replies

Is it good to add JPA just to do the insertion of Bridging table ?

2 replies

Object Relational Mapping

how to know what is mysql username and password ?

1 reply

What are the performant way to connect to a database?

1 reply

More »
Best this month

Java Reflection Issue resulting in Read Only Transaction Error

1 reply

org.hibernate.AnnotationException

1 reply

hibernate session flush/sync with database layer

3 replies

How to build a dynamic query which add number of days to date & compare that date with another date?

0 replies

Object Relational Mapping

org.hibernate.MappingException: Unknown entity

0 replies

No connection specified for project. No database-specific validation will be performed

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Object Relational Mapping Forum at JavaRanch

Join Table many-to-one issue

7 years ago 0 replies

Using the HibernateTool ant task to control the names of the models

7 years ago 0 replies

Hibernate comparing columns

7 years ago 2 replies

Using generator with composite keys in hibernate

7 years ago 1 reply

Hibernate(How to generate hbm file)

7 years ago 0 replies

How to avoid automatic rollback?

7 years ago 1 reply

Hibernate O To M Relationship question.

7 years ago 4 replies

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7 years ago 2 replies

Hibernate tools download

7 years ago 2 replies

Issue with Hibernate transaction in CMT

7 years ago 4 replies

AbstractFlushingEventListener - Could not synchronize database state with session

7 years ago 1 reply

Mapping to a table which does not have a primary key

7 years ago 3 replies

Can I deploy JPA jars per application ?

7 years ago 2 replies

Does Hibernate not quite fit in with the enterprise application?

7 years ago 2 replies

Initial SessionFactory creation failed.java.lang.ArrayIndexOutOfBoundsException: 7

7 years ago 1 reply

Issues with findDirty method when using many to one mapping in Hibernate

7 years ago 0 replies

How to lazily load references when the object is detached from session ?

7 years ago 1 reply

What is the sequence of persisting for a bidirectional associations?

7 years ago 0 replies

many-to-one create query execution

7 years ago 0 replies

Dynamically setting schema name for native queries in hbm file

7 years ago 7 replies

Hibernate Recipes - Sample chapter/content??

7 years ago 1 reply

Why ConstraintViolationException is generated?

7 years ago 3 replies

Level 2 cache enabled, query cache disabled

7 years ago 1 reply

[Hibernate] managing multiple detached objects that represent the same database row

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HQL for my SQL query

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Biggest Hibernate mistake?

7 years ago 6 replies

How to implement session-per-conversation in Java SE with Hibernate?

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Hibernate mapping files

7 years ago 4 replies

Transaction comit problem

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error deploying struts/ibatis app to linux

7 years ago 1 reply

Hibernate

7 years ago 4 replies

program running properly but values are not reflecting in database

7 years ago 4 replies

Can Any one help Hibernate.properties not found

7 years ago 7 replies

HibernateException while using native sql query

7 years ago 2 replies

Setting all,delete-orphans on Many-to-One relationship?

7 years ago 1 reply
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Object Relational Mapping

Best this year

book is not mapped - hibernate issue

Types of SQL injections

Problem in building hibernate SessionFactory

Hibernate Spring repository returns new object and therefore breaks references between objects

Hibernate mapping problem

How do you Map String Array to JPA ?

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

Suggest For Books Please

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

* Welcome Thorben Janssen

ManyToMany mapping relationship table is blank (Hibernate newbie)

Do people still use plain JDBC to do many to many mapping ?

Java Reflection Issue resulting in Read Only Transaction Error

JPA cannot persist cascading related entities

getting Invalid column type: getInt not implemented for class oracle.jdbc.driver.T4CRowidAccessor

What's different between mapping types in Hibernate?

How to exclude some indexed items in Hibernate List

Is it good to add JPA just to do the insertion of Bridging table ?

how to know what is mysql username and password ?

What are the performant way to connect to a database?

Best this month

Java Reflection Issue resulting in Read Only Transaction Error

org.hibernate.AnnotationException

hibernate session flush/sync with database layer

How to build a dynamic query which add number of days to date & compare that date with another date?

org.hibernate.MappingException: Unknown entity

No connection specified for project. No database-specific validation will be performed

Object Relational Mapping Forum at JavaRanch

Join Table many-to-one issue

Using the HibernateTool ant task to control the names of the models

Hibernate comparing columns

Using generator with composite keys in hibernate

Hibernate(How to generate hbm file)

How to avoid automatic rollback?

Hibernate O To M Relationship question.

Querying with JPA, returning all...Good or Bad?

Hibernate tools download

Issue with Hibernate transaction in CMT

AbstractFlushingEventListener - Could not synchronize database state with session

Mapping to a table which does not have a primary key

Can I deploy JPA jars per application ?

Does Hibernate not quite fit in with the enterprise application?

Initial SessionFactory creation failed.java.lang.ArrayIndexOutOfBoundsException: 7

Issues with findDirty method when using many to one mapping in Hibernate

How to lazily load references when the object is detached from session ?

What is the sequence of persisting for a bidirectional associations?

many-to-one create query execution

Dynamically setting schema name for native queries in hbm file

Hibernate Recipes - Sample chapter/content??

Why ConstraintViolationException is generated?

Level 2 cache enabled, query cache disabled

[Hibernate] managing multiple detached objects that represent the same database row

HQL for my SQL query

Biggest Hibernate mistake?

How to implement session-per-conversation in Java SE with Hibernate?

Hibernate mapping files

Transaction comit problem

error deploying struts/ibatis app to linux

Hibernate

program running properly but values are not reflecting in database

Can Any one help Hibernate.properties not found

HibernateException while using native sql query

Setting all,delete-orphans on Many-to-One relationship?

Databases