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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

This class has a composite primary key. It must use an ID class.

22 replies 2

Object Relational Mapping

which framework is being used most in Persistence Layer?

13 replies

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

3 replies 2

Object Relational Mapping

Flush old data and make query for a new data

5 replies

Object Relational Mapping

MyBatis

11 replies

Squeezing Four HQL Queries Into One

14 replies

int vs Integer for JPA entity's Id field?

10 replies

Object Relational Mapping

How to improve select query speed on Spring with Hibernate and PostgreSQL?

14 replies

Object Relational Mapping

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

9 replies

JPA Criteria API - unintentional CROSS JOIN

4 replies

Object Relational Mapping

HQL Hibernate INNER JOIN SUBQuery

6 replies

Hibernate does not persist my database

7 replies

CSV File returns empty values

3 replies 1

Dealing with database using hibernate

1 reply

create to generate table through hibernate

2 replies 1

hibernate and JPA (cross post from stack exchange)

6 replies

Object Relational Mapping

Question on database design: It's really a hierarchical design

4 replies

Join query and hibernate 3

10 replies

The debug process for PersistenceException

5 replies

JPA foreign key

1 reply

More »
Best this month

Squeezing Four HQL Queries Into One

14 replies

JPA Criteria API - unintentional CROSS JOIN

4 replies

Dealing with database using hibernate

1 reply

JPA foreign key

1 reply

Object Relational Mapping

Spring Hibernate Hikari CP

0 replies

hibernate.PropertyAccessException: Could not set field value [410] value by reflection

2 replies

Object Relational Mapping

JPA same sequence for two applications not working

0 replies

Primary key generation in Hibernate

0 replies

More »
Object Relational Mapping Forum at JavaRanch

org.hibernate.exception.SQLGrammarException: could not extract ResultSet

3 months ago 5 replies 2

Hibernate Spring problem with Illegal attempt to associate a collection with two open sessions

4 months ago 4 replies

Hibernate/C3PO Not Automatically Restoring Lost Connections

4 months ago 1 reply

Complex MyBatis Mapping - Annotations vs XML File

4 months ago 2 replies

Web Services

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

4 months ago 2 replies

Microsoft Sql + Hibernate 3.0 + jboss 7 executeUpdate not reflecting

4 months ago 1 reply

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

4 months ago 1 reply

int vs Integer for JPA entity's Id field?

4 months ago 10 replies

Hibernate Delete Not Null Columns

4 months ago 4 replies

Experiencing Some difficulties with Hibernate

4 months ago 0 replies

Books

Hibernate and JPA Book Reccomendations

4 months ago 3 replies

hibernate 3 to hibernate 4

4 months ago 0 replies

Custom EclipseLink ExceptionHandler

5 months ago 0 replies

Join query and hibernate 3

5 months ago 10 replies

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

5 months ago 1 reply

How to convert java program with Hibernate3 to Hibernate 5.3.1?

5 months ago 0 replies

JDBC and Relational Databases

java hibernate persisting classes that need data from super class?

5 months ago 1 reply

JpaObjectRetrievalFailureException

5 months ago 0 replies

Java in General

FK not feeded by JPA

5 months ago 0 replies

mixture of annotation and xml based hibernate code

6 months ago 1 reply

JPA error illegal argument exception

6 months ago 2 replies

SQL: case sensitive matching of records.

6 months ago 1 reply

hibernate and all-delete-orphan

6 months ago 1 reply

EclipseLink help required (Pool not open)

6 months ago 0 replies

EJB and other Jakarta/Java EE Technologies

JEE CRUD Application

6 months ago 2 replies

Java in General

Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibern

6 months ago 6 replies

PL/SQL Variable parameters in procedure

6 months ago 0 replies

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

7 months ago 3 replies 2

How to ignore some database errors in a Hibernate Session

7 months ago 2 replies

Other JSRs

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

7 months ago 4 replies

Reg Hibernate Cache

7 months ago 0 replies 1

criteria API in Hibernate and Java

7 months ago 2 replies

Hibernate SpringBoot CrudRepository Delete is not working

8 months ago 1 reply
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Object Relational Mapping

Best this year

This class has a composite primary key. It must use an ID class.

which framework is being used most in Persistence Layer?

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

Flush old data and make query for a new data

MyBatis

Squeezing Four HQL Queries Into One

int vs Integer for JPA entity's Id field?

How to improve select query speed on Spring with Hibernate and PostgreSQL?

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

JPA Criteria API - unintentional CROSS JOIN

HQL Hibernate INNER JOIN SUBQuery

Hibernate does not persist my database

CSV File returns empty values

Dealing with database using hibernate

create to generate table through hibernate

hibernate and JPA (cross post from stack exchange)

Question on database design: It's really a hierarchical design

Join query and hibernate 3

The debug process for PersistenceException

JPA foreign key

Best this month

Squeezing Four HQL Queries Into One

JPA Criteria API - unintentional CROSS JOIN

Dealing with database using hibernate

JPA foreign key

Spring Hibernate Hikari CP

hibernate.PropertyAccessException: Could not set field value [410] value by reflection

JPA same sequence for two applications not working

Primary key generation in Hibernate

Object Relational Mapping Forum at JavaRanch

org.hibernate.exception.SQLGrammarException: could not extract ResultSet

Hibernate Spring problem with Illegal attempt to associate a collection with two open sessions

Hibernate/C3PO Not Automatically Restoring Lost Connections

Complex MyBatis Mapping - Annotations vs XML File

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

int vs Integer for JPA entity's Id field?

Hibernate Delete Not Null Columns

Experiencing Some difficulties with Hibernate

Hibernate and JPA Book Reccomendations

hibernate 3 to hibernate 4

Custom EclipseLink ExceptionHandler

Join query and hibernate 3

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

How to convert java program with Hibernate3 to Hibernate 5.3.1?

java hibernate persisting classes that need data from super class?

JpaObjectRetrievalFailureException

FK not feeded by JPA

mixture of annotation and xml based hibernate code

JPA error illegal argument exception

SQL: case sensitive matching of records.

hibernate and all-delete-orphan

EclipseLink help required (Pool not open)

JEE CRUD Application

Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibern

PL/SQL Variable parameters in procedure

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

How to ignore some database errors in a Hibernate Session

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

Reg Hibernate Cache

criteria API in Hibernate and Java

Hibernate SpringBoot CrudRepository Delete is not working

Databases