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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

Object Relational Mapping

No persistence provider for EntityManager for Hibernate in Maven

2 replies 2

Problem in building hibernate SessionFactory

34 replies 4

Object Relational Mapping

Types of SQL injections

5 replies 1

Object Relational Mapping

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

1 reply 3

Hibernate mapping problem

5 replies 1

Object Relational Mapping

book is not mapped - hibernate issue

1 reply 1

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

3 replies 1

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

3 replies 1

* Welcome Thorben Janssen

11 replies 1

ManyToMany mapping relationship table is blank (Hibernate newbie)

2 replies 1

Object Relational Mapping

Suggest For Books Please

6 replies

Object Relational Mapping

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

6 replies

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

Best noSQL database to embed into a Java application?

3 replies

More »
Best this month

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

How do you Map String Array to JPA ?

4 replies 1

why use c3p0 ?

1 reply

Is hibernate reverse engineering compulsory ?

1 reply

Is there any query to list all the tables including certain characters in table name for Oracle ?

2 replies

HibernateDaoSupport is deprecated in spring 3 but present in spring 4

0 replies

Need to know about Devops

0 replies

Is hibernate.cfg.xml still needed when I am also using JPA annotation ?

0 replies

-Configured server platform: org.eclipse.persistence.platform.server.NoServerPlatform and error

0 replies

More »
Object Relational Mapping Forum at JavaRanch

Hibernate\JPA set field

4 years ago 1 reply

Hibernate Mapping same schema

4 years ago 1 reply

Problem with Update

4 years ago 1 reply

Previous replicated result in getResultList()

4 years ago 5 replies

Internal working of Hibernate

4 years ago 1 reply

Calling Stored Procedure from hibernate

4 years ago 0 replies

How to achieve transparency layers using ORM

4 years ago 1 reply

Mapping same POJO to more than one table in Hibernate XML mapping files

4 years ago 3 replies

Problem in HQL from Oracle VIEW

4 years ago 2 replies

Extending all my classes from a generic one and configure persistence

4 years ago 1 reply

Database connectivity

4 years ago 3 replies

Web application design concerns

4 years ago 1 reply

Hibernate Made Easy by Cameron McKenzie

4 years ago 5 replies

Inserting entities without duplicates

4 years ago 2 replies

Update JPA cache when updating last_value in JPA_GENERATED_KEYS TABLE form NON_JPA code

4 years ago 1 reply

Combination of joined and single_table inheritance

4 years ago 1 reply

Creating Tables using JPA

4 years ago 7 replies

Single Entity to multiple tables mapping

4 years ago 4 replies

how to call stored procedure from hibernate that takes array as input

4 years ago 0 replies

Join query in HQL

4 years ago 2 replies

problem in criteria api

4 years ago 7 replies

what is the diffrence between save() and saveOrUpdate() method in hibernate ?

4 years ago 1 reply

InvocationTargetException cause mere antlr.collections.AST.getLine

4 years ago 2 replies

getting exception while running a OnetoMany mapping between Person and Phone classes

4 years ago 1 reply

Where's the Object Relational Mapping Forum gone? Hibernate question

4 years ago 2 replies

referencedColumnNames .. no mapping to a single property

4 years ago 0 replies

Hibernate Envers : How to delete entries from my audit table?

4 years ago 2 replies

How to call Stored Procedure in hibernate which doesn't return results from any specific tables

4 years ago 0 replies

Hibernate and Serializable

4 years ago 4 replies

error creating bean

4 years ago 6 replies

jpql MAX function help needed

4 years ago 1 reply

hibernate which generator to use in clustered environment

4 years ago 1 reply

JPA old entity classes

4 years ago 7 replies

SaveOrUpdate API - Hibernate BUG?

4 years ago 7 replies

java.lang.UnsupportedOperationException: The user must supply a JDBC connection

4 years ago 2 replies
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Object Relational Mapping

Best this year

No persistence provider for EntityManager for Hibernate in Maven

Problem in building hibernate SessionFactory

Types of SQL injections

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

Hibernate mapping problem

book is not mapped - hibernate issue

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

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)

Suggest For Books Please

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

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 noSQL database to embed into a Java application?

Best this month

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?

How do you Map String Array to JPA ?

why use c3p0 ?

Is hibernate reverse engineering compulsory ?

Is there any query to list all the tables including certain characters in table name for Oracle ?

HibernateDaoSupport is deprecated in spring 3 but present in spring 4

Need to know about Devops

Is hibernate.cfg.xml still needed when I am also using JPA annotation ?

-Configured server platform: org.eclipse.persistence.platform.server.NoServerPlatform and error

Object Relational Mapping Forum at JavaRanch

Hibernate\JPA set field

Hibernate Mapping same schema

Problem with Update

Previous replicated result in getResultList()

Internal working of Hibernate

Calling Stored Procedure from hibernate

How to achieve transparency layers using ORM

Mapping same POJO to more than one table in Hibernate XML mapping files

Problem in HQL from Oracle VIEW

Extending all my classes from a generic one and configure persistence

Database connectivity

Web application design concerns

Hibernate Made Easy by Cameron McKenzie

Inserting entities without duplicates

Update JPA cache when updating last_value in JPA_GENERATED_KEYS TABLE form NON_JPA code

Combination of joined and single_table inheritance

Creating Tables using JPA

Single Entity to multiple tables mapping

how to call stored procedure from hibernate that takes array as input

Join query in HQL

problem in criteria api

what is the diffrence between save() and saveOrUpdate() method in hibernate ?

InvocationTargetException cause mere antlr.collections.AST.getLine

getting exception while running a OnetoMany mapping between Person and Phone classes

Where's the Object Relational Mapping Forum gone? Hibernate question

referencedColumnNames .. no mapping to a single property

Hibernate Envers : How to delete entries from my audit table?

How to call Stored Procedure in hibernate which doesn't return results from any specific tables

Hibernate and Serializable

error creating bean

jpql MAX function help needed

hibernate which generator to use in clustered environment

JPA old entity classes

SaveOrUpdate API - Hibernate BUG?

java.lang.UnsupportedOperationException: The user must supply a JDBC connection

Databases