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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

Spring Hibernate Hikari CP

2 days ago 0 replies

Dealing with database using hibernate

2 days ago 1 reply

Other JSE/JEE APIs

JPA same sequence for two applications not working

5 days ago 0 replies

Spring

Flush old data and make query for a new data

1 week ago 5 replies

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

2 weeks ago 2 replies

JPA foreign key

2 weeks ago 1 reply

How Can I return the generated key with Hibernate?

2 weeks ago 7 replies

JPA Criteria API - unintentional CROSS JOIN

2 weeks ago 4 replies

Primary key generation in Hibernate

3 weeks ago 0 replies

EJB and other Jakarta/Java EE Technologies

which framework is being used most in Persistence Layer?

3 weeks ago 13 replies

Squeezing Four HQL Queries Into One

3 weeks ago 14 replies

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

3 weeks ago 22 replies 2

Hibernate does not persist my database

1 month ago 7 replies

Hibernate configuration

1 month ago 0 replies

Struts

One-to-one mapping in hibernate

1 month ago 1 reply

create to generate table through hibernate

1 month ago 2 replies 1

hibernate and JPA (cross post from stack exchange)

1 month ago 6 replies

iBatis sqlMap with different database

1 month ago 0 replies

Is there any equivalent of PreparedStatement in Hibernate and Spring-Data?

1 month ago 0 replies

Hibernate configuration

2 months ago 2 replies

Other JSE/JEE APIs

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

2 months ago 14 replies

many 2 many relastionship with extra columns

2 months ago 2 replies

CSV File returns empty values

2 months ago 3 replies 1

Java in General

How to Ignore Quote in parameterized HQL

2 months ago 2 replies

Beginning Java

org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "monthIncome1")

3 months ago 5 replies

what is owner entity and parent entity in hibernate jpa?

3 months ago 2 replies

The debug process for PersistenceException

3 months ago 5 replies

Invalid character error in Mybatis

3 months ago 5 replies

MyBatis

3 months ago 11 replies

HQL Hibernate INNER JOIN SUBQuery

3 months ago 6 replies

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

3 months ago 4 replies

How to dynamically select a resultMap based on the value of a column in MyBatis

3 months ago 2 replies

Cannot add or update a child row: a foreign key constraint fails JPA/Hibernate

3 months ago 4 replies

Authentication String of Root User on MySQL

3 months ago 3 replies

hibernate data mapping difference between SQL server and DB2

3 months ago 0 replies
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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

Spring Hibernate Hikari CP

Dealing with database using hibernate

JPA same sequence for two applications not working

Flush old data and make query for a new data

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

JPA foreign key

How Can I return the generated key with Hibernate?

JPA Criteria API - unintentional CROSS JOIN

Primary key generation in Hibernate

which framework is being used most in Persistence Layer?

Squeezing Four HQL Queries Into One

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

Hibernate does not persist my database

Hibernate configuration

One-to-one mapping in hibernate

create to generate table through hibernate

hibernate and JPA (cross post from stack exchange)

iBatis sqlMap with different database

Is there any equivalent of PreparedStatement in Hibernate and Spring-Data?

Hibernate configuration

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

many 2 many relastionship with extra columns

CSV File returns empty values

How to Ignore Quote in parameterized HQL

org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "monthIncome1")

what is owner entity and parent entity in hibernate jpa?

The debug process for PersistenceException

Invalid character error in Mybatis

MyBatis

HQL Hibernate INNER JOIN SUBQuery

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

How to dynamically select a resultMap based on the value of a column in MyBatis

Cannot add or update a child row: a foreign key constraint fails JPA/Hibernate

Authentication String of Root User on MySQL

hibernate data mapping difference between SQL server and DB2

Databases