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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

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Object Relational Mapping

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

1 reply 3

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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

Object Relational Mapping

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1 reply 1

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

Suggest For Books Please

6 replies

Object Relational Mapping

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Object Relational Mapping

Types of SQL injections

3 replies 1

Object Relational Mapping

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

8 replies 1

Best noSQL database to embed into a Java application?

3 replies

org.hibernate.MappingException: Following superclasses referenced in extends not found: null

3 replies 1

cant understand the send table ie filter_filters

10 replies 3

Object Relational Mapping

JPA application issue using netbeans 8.1

5 replies

OneToMany vs ManyToOne

5 replies

createQuery not working but createNativeQuery works

8 replies

More »
Best this month

Object Relational Mapping

JPA application issue using netbeans 8.1

5 replies

OneToMany vs ManyToOne

5 replies

java.lang.IllegalArgumentException: Cannot convert error occurred.

2 replies

Disadvantage of Hibernate

1 reply

JPA mapping error

1 reply

More »
Object Relational Mapping Forum at JavaRanch

java.lang.IllegalArgumentException: Cannot convert error occurred.

18 hours ago 2 replies

Books

Suggest For Books Please

1 day ago 6 replies

JPA mapping error

6 days ago 1 reply

JPA application issue using netbeans 8.1

1 week ago 5 replies

Disadvantage of Hibernate

1 week ago 1 reply

OneToMany vs ManyToOne

3 weeks ago 5 replies

No difference in output for load and get

4 weeks ago 6 replies

Hibernate Mappngs.

1 month ago 1 reply

JDBC and Relational Databases

Types of SQL injections

1 month ago 3 replies 1

TypedQuery Returns no Results

1 month ago 0 replies

Some time Failed SP working Using Hibernate,Spring MVC

1 month ago 2 replies

Aspect Oriented Programming

How to learn Hibernate

1 month ago 2 replies

get ER diagram MySQL workbench

1 month ago 2 replies

getting first row as object

1 month ago 7 replies

Hibernate Tips: Migration of Hibernate\MySQL to Hibernate\Azure SQL

2 months ago 4 replies

Where do I get the entityManagerFactory?

2 months ago 3 replies

can someone help me understand why one transient object can be saved, but not two together ?

2 months ago 4 replies

hibernate object reference error

2 months ago 1 reply

Caching VS Performance improvements

2 months ago 1 reply

Unable to build entity manager factory

2 months ago 2 replies

Hibernate Tips: multitenancy and heterogeneous databases?

2 months ago 1 reply

* Winners: Hibernate Tips

2 months ago 0 replies 1

Hibernate tips: inner table

2 months ago 2 replies

Hibernate Tips: Migration

2 months ago 0 replies

Hibernate Tips: Usage

2 months ago 4 replies

Hibernate Tips: performance tuning

2 months ago 3 replies

* Welcome Thorben Janssen

2 months ago 11 replies 1

Hibernate Tips: Version?

2 months ago 2 replies

Hibernate Tips: A much needed book

2 months ago 2 replies

Hibernate Tips: Performance

2 months ago 1 reply

Hibernate Tips: stored procs

2 months ago 2 replies

Hibernate Tips: Pitfalls/Difficulties in using Hibernate as ORM framework

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Problem in building hibernate SessionFactory

2 months ago 34 replies 4

Hibernate Tips: Replacing hbm files with annotations

2 months ago 0 replies

Hibernate when and when not to use the second level cache

2 months 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

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

Spring + Hibernate No Session found for current thread

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

Hibernate 4 & Spring 4 - ReflectionManager Class Not Found

Types of SQL injections

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

Best noSQL database to embed into a Java application?

org.hibernate.MappingException: Following superclasses referenced in extends not found: null

cant understand the send table ie filter_filters

JPA application issue using netbeans 8.1

OneToMany vs ManyToOne

createQuery not working but createNativeQuery works

Best this month

JPA application issue using netbeans 8.1

OneToMany vs ManyToOne

java.lang.IllegalArgumentException: Cannot convert error occurred.

Disadvantage of Hibernate

JPA mapping error

Object Relational Mapping Forum at JavaRanch

java.lang.IllegalArgumentException: Cannot convert error occurred.

Suggest For Books Please

JPA mapping error

JPA application issue using netbeans 8.1

Disadvantage of Hibernate

OneToMany vs ManyToOne

No difference in output for load and get

Hibernate Mappngs.

Types of SQL injections

TypedQuery Returns no Results

Some time Failed SP working Using Hibernate,Spring MVC

How to learn Hibernate

get ER diagram MySQL workbench

getting first row as object

Hibernate Tips: Migration of Hibernate\MySQL to Hibernate\Azure SQL

Where do I get the entityManagerFactory?

can someone help me understand why one transient object can be saved, but not two together ?

hibernate object reference error

Caching VS Performance improvements

Unable to build entity manager factory

Hibernate Tips: multitenancy and heterogeneous databases?

* Winners: Hibernate Tips

Hibernate tips: inner table

Hibernate Tips: Migration

Hibernate Tips: Usage

Hibernate Tips: performance tuning

* Welcome Thorben Janssen

Hibernate Tips: Version?

Hibernate Tips: A much needed book

Hibernate Tips: Performance

Hibernate Tips: stored procs

Hibernate Tips: Pitfalls/Difficulties in using Hibernate as ORM framework

Problem in building hibernate SessionFactory

Hibernate Tips: Replacing hbm files with annotations

Hibernate when and when not to use the second level cache

Databases