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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

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

Hibernate sessionFactory is null

3 replies

More »
Best this month

Object Relational Mapping

Is composite-primary key the best solution - Hibernate Spring

7 replies

Multiple representations of the same entity are are being merged

4 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

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

IndirectList: not instantiated when trying to recover a object from database-ManytoMany relationship

3 years ago 5 replies

HQL not in

3 years ago 2 replies

EclipseLink SELECT NEW causes IllegalArgumentException: argument type mismatch

3 years ago 5 replies

Unmanaged object exception persisting entity with FK to reference data

3 years ago 5 replies

Retrieve data from database columns that have a many to many relationship. JPQL /JPA

3 years ago 7 replies 1

unmapped class java.util.Date

3 years ago 1 reply

Need ORM that allows interception (and modifiation) of qeuries

3 years ago 4 replies

Search between two dates columns using jpa

3 years ago 12 replies

session.save(Object myPojo) is not working

3 years ago 9 replies

Illegal attempt to associate a collection with two open sessions

3 years ago 5 replies

EJB and other Jakarta/Java EE Technologies

Search Multiple tables using hibernate in spring

3 years ago 1 reply

JPA 2.1 Native Query Result mapping problem Hibernate 4 , 5 version

3 years ago 10 replies

Update values in database from jsp

3 years ago 2 replies

Selecting elements from an enum.

3 years ago 6 replies

org.hibernate.TransactionException: Transaction not successfully started

3 years ago 4 replies 1

Passing a list as a parameter and getting the"The left parenthesis is missing" error

3 years ago 14 replies

java.sql.SQLSyntaxErrorException: ORA-00904: "SO2_"."JENISTRANSAKSI": invalid identifier

3 years ago 5 replies

updating values in a java object that is a child in parent->child relationship

3 years ago 0 replies

Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set

3 years ago 2 replies

Class not found when trying to create tables from entities.

3 years ago 6 replies

Hibernate Audit particular columns of an Entity

3 years ago 2 replies

Can you disable bean validation in Hibernate?

3 years ago 8 replies

Exception in thread "main" java.lang.NullPointerException at org.hibernate.tuple.entity.AbstractEnt

3 years ago 0 replies

java.sql.SQLSyntaxErrorException: ORA-00942: table or view does not exist

3 years ago 20 replies

Hibernate: getById query

3 years ago 16 replies

Integrate Hibernate into a new Spring MVC Project (generated by STS)

3 years ago 3 replies

Fetching the posts of the profiles the user follows

3 years ago 1 reply

can an application have both hibernate.properties file and hibernate.cfg.xml

3 years ago 2 replies

Returning only one value from JPA query

3 years ago 8 replies

How to apply OneToOne mapping annotaion in hibernate.

3 years ago 2 replies

Can I add new tables or add columns to existing tables in the old system’s Database for new system?

3 years ago 2 replies

JPQL: converting a certain type of dynamic query to a named and static query.

3 years ago 16 replies

Hibernate spring jsp maven

3 years ago 1 reply

Can't Load Data on JSP

3 years ago 10 replies

Dynamic queries to entities from the view layer

3 years ago 1 reply
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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

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

Hibernate sessionFactory is null

Best this month

Is composite-primary key the best solution - Hibernate Spring

Multiple representations of the same entity are are being merged

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

orphan child for Many To Many mappings

Hibernate one to many mapping with foreign key association

Object Relational Mapping Forum at JavaRanch

IndirectList: not instantiated when trying to recover a object from database-ManytoMany relationship

HQL not in

EclipseLink SELECT NEW causes IllegalArgumentException: argument type mismatch

Unmanaged object exception persisting entity with FK to reference data

Retrieve data from database columns that have a many to many relationship. JPQL /JPA

unmapped class java.util.Date

Need ORM that allows interception (and modifiation) of qeuries

Search between two dates columns using jpa

session.save(Object myPojo) is not working

Illegal attempt to associate a collection with two open sessions

Search Multiple tables using hibernate in spring

JPA 2.1 Native Query Result mapping problem Hibernate 4 , 5 version

Update values in database from jsp

Selecting elements from an enum.

org.hibernate.TransactionException: Transaction not successfully started

Passing a list as a parameter and getting the"The left parenthesis is missing" error

java.sql.SQLSyntaxErrorException: ORA-00904: "SO2_"."JENISTRANSAKSI": invalid identifier

updating values in a java object that is a child in parent->child relationship

Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set

Class not found when trying to create tables from entities.

Hibernate Audit particular columns of an Entity

Can you disable bean validation in Hibernate?

Exception in thread "main" java.lang.NullPointerException at org.hibernate.tuple.entity.AbstractEnt

java.sql.SQLSyntaxErrorException: ORA-00942: table or view does not exist

Hibernate: getById query

Integrate Hibernate into a new Spring MVC Project (generated by STS)

Fetching the posts of the profiles the user follows

can an application have both hibernate.properties file and hibernate.cfg.xml

Returning only one value from JPA query

How to apply OneToOne mapping annotaion in hibernate.

Can I add new tables or add columns to existing tables in the old system’s Database for new system?

JPQL: converting a certain type of dynamic query to a named and static query.

Hibernate spring jsp maven

Can't Load Data on JSP

Dynamic queries to entities from the view layer

Databases