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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

Object Relational Mapping Forum at JavaRanch

Not able to catch ConstraintViolationException in Hibernate

2 years ago 10 replies

Converting database format to java

2 years ago 5 replies

Object Relational Mapping

Why does Eclipse not show Hibernate Query Results properties?

2 years ago 3 replies 1

When all columns of an @Embedded field are NULL (JPA / Hibernate)

2 years ago 2 replies

Right way to persist unique values in ManyToMany relations

2 years ago 0 replies

Persism 2.2.0 released - A Lightweight ORM for Java

2 years ago 0 replies

Connect/Sync mysql data realtime to sharepoint after data is added

2 years ago 3 replies

How to Read dynamically from datasource in c#

2 years ago 1 reply

Deleted records from database by JPA

2 years ago 5 replies

ManyToOne on Child Entities Only

2 years ago 4 replies

how to identify uicode columns in ORACLE

3 years ago 2 replies

Hibernate Interview Questions

3 years ago 17 replies

NetBeans

Can I delete entity class and create new one after changes

3 years ago 4 replies

Hibernate 6

3 years ago 0 replies

JPQL Constructor Expression case when Enum Literal

3 years ago 3 replies

Persism ORM Release 2.1.0 - with support for Table Joins!

3 years ago 0 replies

Want to track how long Hibernate session is using DB connection from JDBC connection pool

3 years ago 3 replies

SQL BCNF

3 years ago 0 replies

Getting record during batch insertion

3 years ago 0 replies

How to convert this mysql query to JPA Query?

3 years ago 6 replies

JSF

JSF page is not displaying the mysql records in primefaces datatable.

3 years ago 33 replies 3

Object Relational Mapping

Is it necessary to execute refresh after an respository save?

3 years ago 1 reply

Java in General

How to make a Join with JPQL, to search in a column of an Jointable?

3 years ago 12 replies

JAVA Illegal attempt to associate a collection with two open sessions. Collection

3 years ago 14 replies

Looking for Sample Project

3 years ago 3 replies

Blatant Advertising

Persism and the SELECT N+1 problem

3 years ago 0 replies

Blatant Advertising

Persism 2.0.0 Released - A zero ceremony ORM for Java

3 years ago 0 replies

To Hibernate or Not?

3 years ago 15 replies

Unable to resolve name [org.hibernate.dialect.MySQlDialect]

3 years ago 1 reply

Suggest a book on RDBMS concepts

3 years ago 7 replies

ERROR OneTOMany/ManyToOne mapping: FK null at time of saving parent - child table

3 years ago 3 replies

OneToMany/ManyToOne mapping, children are not deleted with update (PUT)

3 years ago 0 replies

A java problem related to shopping mall

3 years ago 4 replies

Why is with a many-to-many the response data recursive...?

3 years ago 5 replies

javax.persistence.PersistenceException: No Persistence provider for EntityManager

4 years ago 5 replies
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Object Relational Mapping

Object Relational Mapping Forum at JavaRanch

Not able to catch ConstraintViolationException in Hibernate

Converting database format to java

Why does Eclipse not show Hibernate Query Results properties?

When all columns of an @Embedded field are NULL (JPA / Hibernate)

Right way to persist unique values in ManyToMany relations

Persism 2.2.0 released - A Lightweight ORM for Java

Connect/Sync mysql data realtime to sharepoint after data is added

How to Read dynamically from datasource in c#

Deleted records from database by JPA

ManyToOne on Child Entities Only

how to identify uicode columns in ORACLE

Hibernate Interview Questions

Can I delete entity class and create new one after changes

Hibernate 6

JPQL Constructor Expression case when Enum Literal

Persism ORM Release 2.1.0 - with support for Table Joins!

Want to track how long Hibernate session is using DB connection from JDBC connection pool

SQL BCNF

Getting record during batch insertion

How to convert this mysql query to JPA Query?

JSF page is not displaying the mysql records in primefaces datatable.

Is it necessary to execute refresh after an respository save?

How to make a Join with JPQL, to search in a column of an Jointable?

JAVA Illegal attempt to associate a collection with two open sessions. Collection

Looking for Sample Project

Persism and the SELECT N+1 problem

Persism 2.0.0 Released - A zero ceremony ORM for Java

To Hibernate or Not?

Unable to resolve name [org.hibernate.dialect.MySQlDialect]

Suggest a book on RDBMS concepts

ERROR OneTOMany/ManyToOne mapping: FK null at time of saving parent - child table

OneToMany/ManyToOne mapping, children are not deleted with update (PUT)

A java problem related to shopping mall

Why is with a many-to-many the response data recursive...?

javax.persistence.PersistenceException: No Persistence provider for EntityManager

Databases