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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

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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

Object Relational Mapping

Spring + Hibernate No Session found for current thread

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

ManyToMany mapping relationship table is blank (Hibernate newbie)

2 replies 1

Object Relational Mapping

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11 replies 1

Object Relational Mapping

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3 replies 1

Object Relational Mapping

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

8 replies 1

Object Relational Mapping

Suggest For Books Please

5 replies

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

Confused about inserting a single entity as explained in Murach's Java Servlets/JSP 3rd edition

4 replies 1

createQuery not working but createNativeQuery works

8 replies

JPA recursive entity

3 replies 1

More »
Best this month

Object Relational Mapping

Types of SQL injections

3 replies 1

getting first row as object

7 replies

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1 reply

Object Relational Mapping

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2 replies

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2 replies

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0 replies

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Object Relational Mapping Forum at JavaRanch

Databse Connection issue

6 years ago 0 replies

Caching Issue - Data not getting refreshed

6 years ago 2 replies

hibernate persistence.xml question

6 years ago 1 reply

JPA Many to Many relationship with attribute to self

6 years ago 7 replies

Major diff between hibernate session and transaction object?

6 years ago 1 reply

Retrieve relationship between hibernate entities via Code

6 years ago 0 replies

Exception in ClassFormatError: Absent Code attribute

6 years ago 1 reply

ConnectionManager:398 - aggressively releasing JDBC connection

6 years ago 0 replies

Join table with DetachedCriteria

6 years ago 0 replies

Storing multiple query string and execute them using result set

6 years ago 6 replies

org.hibernate.MappingException: Unknown entity: java.lang.String<< how can i solve

6 years ago 3 replies

@PrimaryKeyJoinColumn: no insertable and no updatable

6 years ago 2 replies

Need configuratoin Information in hibernate

6 years ago 1 reply

Hibernate 3.x and JPA 1.0?

6 years ago 0 replies

JPA 2: In a query, how to compare the size of lists?

6 years ago 1 reply

Uni-direction ManyTomany mapping with annotations

6 years ago 1 reply

Queries and "column not found" error

6 years ago 0 replies

I am getting org.springframework.orm.hibernate3.HibernateSystemException: Unknown entity:

6 years ago 0 replies

"Removing a detached instance" exception while updating the entity

6 years ago 2 replies

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6 years ago 2 replies

Hibernate Interview preparation

6 years ago 2 replies

Entity manager: Hibernate generating wrong SQL (composite key of composite keys)

6 years ago 0 replies

Network adapter connection error

6 years ago 0 replies

Hibernate-Oracle Sequence...

6 years ago 5 replies

difference between two timestamps

6 years ago 0 replies

Hibernate Query taking long time

6 years ago 7 replies

How to map a class that has an object that is defined as @Embeddable

6 years ago 0 replies

Hibernate Sequence,How to Create a idenfifier YYMMDD-abc-secuence number of a day.

6 years ago 0 replies

need to get column names in resultant table of sql query

6 years ago 2 replies

Hibernate Test

6 years ago 2 replies

Folder Structure for a Hibernate Web Application

6 years ago 3 replies

No Dialect mapping for JDBC type: -1

6 years ago 1 reply

Few questions related to Hibernate.properties file

6 years ago 2 replies

Web app JSF+Facelets+Hibernate error: "No Persistence provider for EntityManager named"

6 years ago 0 replies

How to avoid duplicate inserts in JPA HQL (EJB 3.0 - Java EE 5)

6 years ago 9 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)

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

Suggest For Books Please

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

Confused about inserting a single entity as explained in Murach's Java Servlets/JSP 3rd edition

createQuery not working but createNativeQuery works

JPA recursive entity

Best this month

Types of SQL injections

getting first row as object

Hibernate Mappngs.

How to learn Hibernate

Some time Failed SP working Using Hibernate,Spring MVC

TypedQuery Returns no Results

Object Relational Mapping Forum at JavaRanch

Databse Connection issue

Caching Issue - Data not getting refreshed

hibernate persistence.xml question

JPA Many to Many relationship with attribute to self

Major diff between hibernate session and transaction object?

Retrieve relationship between hibernate entities via Code

Exception in ClassFormatError: Absent Code attribute

ConnectionManager:398 - aggressively releasing JDBC connection

Join table with DetachedCriteria

Storing multiple query string and execute them using result set

org.hibernate.MappingException: Unknown entity: java.lang.String<< how can i solve

@PrimaryKeyJoinColumn: no insertable and no updatable

Need configuratoin Information in hibernate

Hibernate 3.x and JPA 1.0?

JPA 2: In a query, how to compare the size of lists?

Uni-direction ManyTomany mapping with annotations

Queries and "column not found" error

I am getting org.springframework.orm.hibernate3.HibernateSystemException: Unknown entity:

"Removing a detached instance" exception while updating the entity

Hibernate on Multiple Servers.

Hibernate Interview preparation

Entity manager: Hibernate generating wrong SQL (composite key of composite keys)

Network adapter connection error

Hibernate-Oracle Sequence...

difference between two timestamps

Hibernate Query taking long time

How to map a class that has an object that is defined as @Embeddable

Hibernate Sequence,How to Create a idenfifier YYMMDD-abc-secuence number of a day.

need to get column names in resultant table of sql query

Hibernate Test

Folder Structure for a Hibernate Web Application

No Dialect mapping for JDBC type: -1

Few questions related to Hibernate.properties file

Web app JSF+Facelets+Hibernate error: "No Persistence provider for EntityManager named"

How to avoid duplicate inserts in JPA HQL (EJB 3.0 - Java EE 5)

Databases