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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

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Persism 1.2.0 Released - a zero ceremony ORM for Java

3 years ago 0 replies

Object Relational Mapping

Hibernate: how to map parent table with static data child table?

3 years ago 20 replies

Object Relational Mapping

Error: The increment size of the [address_sequence] sequence is set to [50] in the entity mapping...

3 years ago 4 replies

java.lang.NoClassDefFoundError: javax/xml/bind/JAXB

3 years ago 5 replies

couchbase repositories and primary indices removal

3 years ago 0 replies

Unable to locate persistence units

3 years ago 10 replies

OpenJPA command line enhancer not finding my class

3 years ago 1 reply

Hibernate Commit Exception

3 years ago 2 replies

Object Relational Mapping

JPA No Persistence provider exception

3 years ago 15 replies 2

heir achy way of representing objects model of same table

4 years ago 0 replies

Help using filters with Hibernate

4 years ago 4 replies

could not extract ResultSet

4 years ago 0 replies

Persism 1.1.0 released with support for Records!

4 years ago 0 replies

Issue with identity field value insertion for DB2 Table and using spring JPA

4 years ago 0 replies

Hibernate running multiple queries on load

4 years ago 5 replies

Object Relational Mapping

JPA question on OneToMany MapBy vs JoinColumn

4 years ago 4 replies

Object Relational Mapping

Question on one to one bidirectional

4 years ago 2 replies

Hibernate runs query against view but returns null values

4 years ago 2 replies

JPA TransactionRequiredException

4 years ago 2 replies

Could not determine type for: java.util.Set error

4 years ago 1 reply

how to use JPA to save a list of objects

4 years ago 4 replies

Persism 1.0.1 released - A zero ceremony ORM for Java

4 years ago 2 replies

Several entities saving

4 years ago 1 reply 1

Hibernate - Table Not Mapped

4 years ago 5 replies 1

SerializationException: could not deserialize

4 years ago 7 replies

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Announcing Persism 1.0.0 - A no nonsense ORM for Java

4 years ago 2 replies

How to Optimize Hibernate buildSessionFactory();

4 years ago 3 replies

Object Relational Mapping

Converting Derived JPA query into native query: ORDER BY is NOT working

4 years ago 1 reply

Why i can't catch ConstraintViolationException exception ?

4 years ago 9 replies

Object Relational Mapping

Changing a datasoure using Hibernate

4 years ago 7 replies

Problems about @OneToMany and @ManyToOne

4 years ago 14 replies 2

The internal connection pool has reached its maximum size and no connection is currently available!

4 years ago 5 replies

Should I use One-to-Many and Many-to-One or leave them out for flexibility in SpringBoot JPA app ?

4 years ago 0 replies

Would like to confirm if I get the relationship between these entities right

4 years ago 6 replies

[Oracle][ODBC SQL Server Driver]Invalid parameter number {07009} in accessing from Synonym to MS SQL

4 years ago 11 replies
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Object Relational Mapping

Object Relational Mapping Forum at JavaRanch

Persism 1.2.0 Released - a zero ceremony ORM for Java

Hibernate: how to map parent table with static data child table?

Error: The increment size of the [address_sequence] sequence is set to [50] in the entity mapping...

java.lang.NoClassDefFoundError: javax/xml/bind/JAXB

couchbase repositories and primary indices removal

Unable to locate persistence units

OpenJPA command line enhancer not finding my class

Hibernate Commit Exception

JPA No Persistence provider exception

heir achy way of representing objects model of same table

Help using filters with Hibernate

could not extract ResultSet

Persism 1.1.0 released with support for Records!

Issue with identity field value insertion for DB2 Table and using spring JPA

Hibernate running multiple queries on load

JPA question on OneToMany MapBy vs JoinColumn

Question on one to one bidirectional

Hibernate runs query against view but returns null values

JPA TransactionRequiredException

Could not determine type for: java.util.Set error

how to use JPA to save a list of objects

Persism 1.0.1 released - A zero ceremony ORM for Java

Several entities saving

Hibernate - Table Not Mapped

SerializationException: could not deserialize

Announcing Persism 1.0.0 - A no nonsense ORM for Java

How to Optimize Hibernate buildSessionFactory();

Converting Derived JPA query into native query: ORDER BY is NOT working

Why i can't catch ConstraintViolationException exception ?

Changing a datasoure using Hibernate

Problems about @OneToMany and @ManyToOne

The internal connection pool has reached its maximum size and no connection is currently available!

Should I use One-to-Many and Many-to-One or leave them out for flexibility in SpringBoot JPA app ?

Would like to confirm if I get the relationship between these entities right

[Oracle][ODBC SQL Server Driver]Invalid parameter number {07009} in accessing from Synonym to MS SQL

Databases