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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

How do you Map String Array to JPA ?

10 replies 1

Can you give me real time scenario when to use Procedure, Function, Cursor, Trigger?

3 replies 2

Object Relational Mapping

which framework is being used most in Persistence Layer?

12 replies

int vs Integer for JPA entity's Id field?

10 replies

Object Relational Mapping

MySQL table is there but it says it doesn't exist

9 replies

Join query and hibernate 3

10 replies

Object Relational Mapping

Generate portable SQL statements

15 replies

Object Relational Mapping

Why use JPA over Hibernate?

11 replies

Object Relational Mapping

Hibernate and JPA Book Reccomendations

3 replies

JPA, one-to-many list is always null

13 replies

How to show Result from combined two tables by hibernate?

19 replies

Complex MyBatis Mapping - Annotations vs XML File

2 replies

The debug process for PersistenceException

3 replies

Custom EclipseLink ExceptionHandler

0 replies

Object Relational Mapping

java]org.hibernate.hql.internal.ast.QuerySyntaxException: Path expected for join!

2 replies

Microsoft Sql + Hibernate 3.0 + jboss 7 executeUpdate not reflecting

1 reply

Object Relational Mapping

JEE CRUD Application

2 replies

Hibernate ResultTransformer returning null values for all columns except @Id column

1 reply

Object Relational Mapping

org.apache.tomcat.dbcp cannot be cast to oracle.jdbc.OracleConnection when using eclipselink JPA

4 replies

Trying to use inner join in my class but it throws error

1 reply

More »
Best this month

int vs Integer for JPA entity's Id field?

10 replies

Complex MyBatis Mapping - Annotations vs XML File

2 replies

The debug process for PersistenceException

3 replies

Object Relational Mapping

java]org.hibernate.hql.internal.ast.QuerySyntaxException: Path expected for join!

2 replies

Microsoft Sql + Hibernate 3.0 + jboss 7 executeUpdate not reflecting

1 reply

Hibernate ResultTransformer returning null values for all columns except @Id column

1 reply

Experiencing Some difficulties with Hibernate

0 replies

hibernate 3 to hibernate 4

0 replies

More »
Object Relational Mapping Forum at JavaRanch

About Hibernate 5.0's system exception

1 year ago 3 replies

Hibernate 5 cannot build a subquery with correlate method in Criteria API?

1 year ago 0 replies

High Volume Query Optimization

1 year ago 2 replies

What's different between mapping types in Hibernate?

1 year ago 4 replies

EJB and other Java EE Technologies

Do people still use plain JDBC to do many to many mapping ?

1 year ago 6 replies

JPA mapping error

1 year ago 1 reply

JPA application issue using netbeans 8.1

1 year ago 5 replies

Disadvantage of Hibernate

1 year ago 1 reply

OneToMany vs ManyToOne

1 year ago 5 replies

No difference in output for load and get

1 year ago 6 replies

Hibernate Mappngs.

1 year ago 1 reply

TypedQuery Returns no Results

1 year ago 0 replies

Some time Failed SP working Using Hibernate,Spring MVC

1 year ago 2 replies

Aspect Oriented Programming

How to learn Hibernate

1 year ago 2 replies

get ER diagram MySQL workbench

1 year ago 2 replies

getting first row as object

1 year ago 7 replies

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

1 year ago 4 replies

Where do I get the entityManagerFactory?

1 year ago 3 replies

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

1 year ago 4 replies

hibernate object reference error

1 year ago 1 reply

Caching VS Performance improvements

1 year ago 1 reply

Unable to build entity manager factory

1 year ago 2 replies

Hibernate Tips: multitenancy and heterogeneous databases?

1 year ago 1 reply

* Winners: Hibernate Tips

1 year ago 0 replies 1

Hibernate tips: inner table

1 year ago 2 replies

Hibernate Tips: Migration

1 year ago 0 replies

Hibernate Tips: Usage

1 year ago 4 replies

Hibernate Tips: performance tuning

1 year ago 3 replies

* Welcome Thorben Janssen

1 year ago 11 replies 1

Hibernate Tips: Version?

1 year ago 2 replies

Hibernate Tips: A much needed book

1 year ago 2 replies

Hibernate Tips: Performance

1 year ago 1 reply

Hibernate Tips: stored procs

1 year ago 2 replies

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

1 year ago 0 replies

Problem in building hibernate SessionFactory

1 year ago 34 replies 4
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Object Relational Mapping

Best this year

How do you Map String Array to JPA ?

Can you give me real time scenario when to use Procedure, Function, Cursor, Trigger?

which framework is being used most in Persistence Layer?

int vs Integer for JPA entity's Id field?

MySQL table is there but it says it doesn't exist

Join query and hibernate 3

Generate portable SQL statements

Why use JPA over Hibernate?

Hibernate and JPA Book Reccomendations

JPA, one-to-many list is always null

How to show Result from combined two tables by hibernate?

Complex MyBatis Mapping - Annotations vs XML File

The debug process for PersistenceException

Custom EclipseLink ExceptionHandler

java]org.hibernate.hql.internal.ast.QuerySyntaxException: Path expected for join!

Microsoft Sql + Hibernate 3.0 + jboss 7 executeUpdate not reflecting

JEE CRUD Application

Hibernate ResultTransformer returning null values for all columns except @Id column

org.apache.tomcat.dbcp cannot be cast to oracle.jdbc.OracleConnection when using eclipselink JPA

Trying to use inner join in my class but it throws error

Best this month

int vs Integer for JPA entity's Id field?

Complex MyBatis Mapping - Annotations vs XML File

The debug process for PersistenceException

java]org.hibernate.hql.internal.ast.QuerySyntaxException: Path expected for join!

Microsoft Sql + Hibernate 3.0 + jboss 7 executeUpdate not reflecting

Hibernate ResultTransformer returning null values for all columns except @Id column

Experiencing Some difficulties with Hibernate

hibernate 3 to hibernate 4

Object Relational Mapping Forum at JavaRanch

About Hibernate 5.0's system exception

Hibernate 5 cannot build a subquery with correlate method in Criteria API?

High Volume Query Optimization

What's different between mapping types in Hibernate?

Do people still use plain JDBC to do many to many mapping ?

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.

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

Databases