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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

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

Object Relational Mapping

MyBatis

11 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

Object Relational Mapping

HQL Hibernate INNER JOIN SUBQuery

6 replies

CSV File returns empty values

3 replies 1

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

hibernate and JPA (cross post from stack exchange)

5 replies

Object Relational Mapping

Flush old data and make query for a new data

4 replies

Object Relational Mapping

Generate portable SQL statements

15 replies

Object Relational Mapping

Why use JPA over Hibernate?

11 replies

what is owner entity and parent entity in hibernate jpa?

2 replies

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

5 replies 2

Object Relational Mapping

Hibernate and JPA Book Reccomendations

3 replies

Hibernate configuration

2 replies

Object Relational Mapping

Authentication String of Root User on MySQL

3 replies

More »
Best this month

Object Relational Mapping

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

14 replies

hibernate and JPA (cross post from stack exchange)

5 replies

Object Relational Mapping

Flush old data and make query for a new data

4 replies

Hibernate configuration

2 replies

many 2 many relastionship with extra columns

2 replies

iBatis sqlMap with different database

0 replies

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

0 replies

More »
Object Relational Mapping Forum at JavaRanch

javax.persistence.EntityExistsException with JPA SequenceGenerator

8 months ago 2 replies

Should I use CDI SessionFactory injection or Hibernate SessionFactory?

8 months ago 0 replies

I want check row if exists on table before insertation with Hibernate

8 months ago 0 replies

Jpql using distinct

8 months ago 0 replies

EJB and other Jakarta/Java EE Technologies

JPA seems to crash

9 months ago 8 replies

How to show Result from combined two tables by hibernate?

9 months ago 19 replies

which file to write the configuration of hibernate.cfg.xml file

9 months ago 1 reply

JDBC and Relational Databases

Types of SQL injections

9 months ago 9 replies 1

Spring

what is JPA Persistence Unit

9 months ago 2 replies

Spring

Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'

9 months ago 1 reply

How do you Map String Array to JPA ?

9 months ago 10 replies 1

JPA, Hibernate and (?) missing entity field

9 months ago 0 replies

JDBC and Relational Databases

Generate portable SQL statements

9 months ago 15 replies

Hibernate/Tapestry: "detached entity passed to persist"

9 months ago 2 replies

Spring

Why use JPA over Hibernate?

9 months ago 11 replies

Spring

JpaRepository findOne returns null

10 months ago 2 replies

JPA, one-to-many list is always null

10 months ago 13 replies

How to map multiple cursors from a stored procedure to a single object model using MyBatis

10 months ago 1 reply

MySQL keeps giving me 2 similar fields

10 months ago 2 replies

How to resolve Error activating Bean Validation integration ?

10 months ago 1 reply

Hibernate 4.3 always returns first row in native query

10 months ago 3 replies

Hibernate Error in JBoss

10 months ago 1 reply

Hibernate: query is returning only records will R

10 months ago 6 replies

hibernate

10 months ago 2 replies

how to resolve org.hibernate.HibernateException: Unable to make JDBC Connection ?

11 months ago 1 reply

JavaFX

Can Java Fx/hibernate use application.propperties? (Props with hibernate config)

11 months ago 8 replies

Other JSE/JEE APIs

Eclipselink JPA - String attribute mapped to Xml type column

11 months ago 0 replies

when to use load() and get() in Hibernate?

11 months ago 1 reply

ProjectionList hibernate Criteria

11 months ago 3 replies

How to create mysql table with huge number of columns & rows by optimized way using Hibernate?

11 months ago 3 replies

Books

Suggest For Books for Hibernate, Spring and Struts

11 months ago 10 replies

No connection specified for project. No database-specific validation will be performed

11 months ago 1 reply

JPA in wildfly 10 standard implementation

11 months ago 1 reply 1

Is hibernate.cfg.xml still needed when I am also using JPA annotation ?

1 year ago 2 replies

How to build a dynamic query which add number of days to date & compare that date with another date?

1 year ago 0 replies
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Object Relational Mapping

Best this year

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

which framework is being used most in Persistence Layer?

MyBatis

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

HQL Hibernate INNER JOIN SUBQuery

CSV File returns empty values

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

Join query and hibernate 3

The debug process for PersistenceException

hibernate and JPA (cross post from stack exchange)

Flush old data and make query for a new data

Generate portable SQL statements

Why use JPA over Hibernate?

what is owner entity and parent entity in hibernate jpa?

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

Hibernate and JPA Book Reccomendations

Hibernate configuration

Authentication String of Root User on MySQL

Best this month

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

hibernate and JPA (cross post from stack exchange)

Flush old data and make query for a new data

Hibernate configuration

many 2 many relastionship with extra columns

iBatis sqlMap with different database

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

Object Relational Mapping Forum at JavaRanch

javax.persistence.EntityExistsException with JPA SequenceGenerator

Should I use CDI SessionFactory injection or Hibernate SessionFactory?

I want check row if exists on table before insertation with Hibernate

Jpql using distinct

JPA seems to crash

How to show Result from combined two tables by hibernate?

which file to write the configuration of hibernate.cfg.xml file

Types of SQL injections

what is JPA Persistence Unit

Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'

How do you Map String Array to JPA ?

JPA, Hibernate and (?) missing entity field

Generate portable SQL statements

Hibernate/Tapestry: "detached entity passed to persist"

Why use JPA over Hibernate?

JpaRepository findOne returns null

JPA, one-to-many list is always null

How to map multiple cursors from a stored procedure to a single object model using MyBatis

MySQL keeps giving me 2 similar fields

How to resolve Error activating Bean Validation integration ?

Hibernate 4.3 always returns first row in native query

Hibernate Error in JBoss

Hibernate: query is returning only records will R

hibernate

how to resolve org.hibernate.HibernateException: Unable to make JDBC Connection ?

Can Java Fx/hibernate use application.propperties? (Props with hibernate config)

Eclipselink JPA - String attribute mapped to Xml type column

when to use load() and get() in Hibernate?

ProjectionList hibernate Criteria

How to create mysql table with huge number of columns & rows by optimized way using Hibernate?

Suggest For Books for Hibernate, Spring and Struts

No connection specified for project. No database-specific validation will be performed

JPA in wildfly 10 standard implementation

Is hibernate.cfg.xml still needed when I am also using JPA annotation ?

How to build a dynamic query which add number of days to date & compare that date with another date?

Databases