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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

book is not mapped - hibernate issue

2 replies 1

Object Relational Mapping

Types of SQL injections

5 replies 1

Problem in building hibernate SessionFactory

34 replies 4

Object Relational Mapping

Hibernate Spring repository returns new object and therefore breaks references between objects

1 reply 3

How do you Map String Array to JPA ?

9 replies 1

Object Relational Mapping

Suggest For Books for Hibernate, Spring and Struts

10 replies

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

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

6 replies

Java Reflection Issue resulting in Read Only Transaction Error

1 reply

Object Relational Mapping

JPA cannot persist cascading related entities

7 replies

Object Relational Mapping

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

8 replies 1

What's different between mapping types in Hibernate?

4 replies

JPA in wildfly 10 standard implementation

1 reply 1

How to exclude some indexed items in Hibernate List

3 replies

Is it good to add JPA just to do the insertion of Bridging table ?

2 replies

Object Relational Mapping

how to know what is mysql username and password ?

1 reply

Object Relational Mapping

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

1 reply

What are the performant way to connect to a database?

1 reply

More »
Best this month

JPA in wildfly 10 standard implementation

1 reply 1

Object Relational Mapping

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

1 reply

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

3 replies

Object Relational Mapping

Eclipselink JPA - String attribute mapped to Xml type column

0 replies

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

0 replies

More »
Object Relational Mapping Forum at JavaRanch

Spring

how to create table in hibernate if table not exist and then do insert operation?

9 months ago 2 replies

Working Example of Hibernate Call to an Oracle Stored Proc.

10 months ago 1 reply

Delete query also getting called along with select query on user entity

10 months ago 0 replies

jpa how to fetch namedEntityGraph on detached entity?

10 months ago 0 replies

spring data jpa and hibernate n+1 selects on manytoone column

10 months ago 2 replies

Auditing on embedded field using Envers

10 months ago 1 reply

ManyToMany mapping relationship table is blank (Hibernate newbie)

10 months ago 2 replies 1

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

10 months ago 3 replies 1

Org.hibernate.AnnotationException: No identifier specified for entity: <Entity Class>

10 months ago 1 reply

JPA errors, using HAVING count with Hibernate

10 months ago 2 replies

Refer a good text book for Hibernate

10 months ago 1 reply

Spring

How to retrieve records from a table

11 months ago 0 replies

Regarding slow performance in Hibernate

11 months ago 4 replies

Is there is option to mention TransactionModeas manged property in Hibernate

11 months ago 0 replies

Spring

Hibernate Spring repository returns new object and therefore breaks references between objects

11 months ago 1 reply 3

Child mapping help

11 months ago 0 replies

Trouble setting in class

11 months ago 2 replies

Clearing Entity from Hibernate

11 months ago 0 replies

Updating child DTO object and @MapsId

11 months ago 13 replies

inconsistent jars for hibernate setup

11 months ago 1 reply

Hibernate Caching Entities

11 months ago 4 replies

Need help setting up Hibernate

11 months ago 0 replies

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

1 year ago 3 replies 1

Hibernate mapping problem

1 year ago 5 replies 1

Hibernate ManyToOne mapping with filter

1 year ago 0 replies

how do I see Hibernate summarized statistical information ?

1 year ago 2 replies

Hibernate not inserting rows

1 year ago 7 replies

JPA detaching entity still persists upon exit

1 year ago 3 replies

Hibernate & Joda DateTime - SQLException: expected DATE got BINARY

1 year ago 2 replies

Hibernate framework depiction in Java bank management system

1 year ago 0 replies

Join table for java @manytomany relationship empty

1 year ago 3 replies 1

what will happen if we save from the non owner side of a many-to-many bi-directional ?

1 year ago 1 reply

Should CASCADE only be specified on the owner side of a bi-directional relationship ?

1 year ago 1 reply

java.sql.SQLException: Column 'JOB_ID' not found

1 year ago 1 reply

orphanRemoval not working

1 year ago 0 replies
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Object Relational Mapping

Best this year

book is not mapped - hibernate issue

Types of SQL injections

Problem in building hibernate SessionFactory

Hibernate Spring repository returns new object and therefore breaks references between objects

How do you Map String Array to JPA ?

Suggest For Books for Hibernate, Spring and Struts

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)

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

Java Reflection Issue resulting in Read Only Transaction Error

JPA cannot persist cascading related entities

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

What's different between mapping types in Hibernate?

JPA in wildfly 10 standard implementation

How to exclude some indexed items in Hibernate List

Is it good to add JPA just to do the insertion of Bridging table ?

how to know what is mysql username and password ?

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

What are the performant way to connect to a database?

Best this month

JPA in wildfly 10 standard implementation

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

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

Eclipselink JPA - String attribute mapped to Xml type column

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

Object Relational Mapping Forum at JavaRanch

how to create table in hibernate if table not exist and then do insert operation?

Working Example of Hibernate Call to an Oracle Stored Proc.

Delete query also getting called along with select query on user entity

jpa how to fetch namedEntityGraph on detached entity?

spring data jpa and hibernate n+1 selects on manytoone column

Auditing on embedded field using Envers

ManyToMany mapping relationship table is blank (Hibernate newbie)

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

Org.hibernate.AnnotationException: No identifier specified for entity: <Entity Class>

JPA errors, using HAVING count with Hibernate

Refer a good text book for Hibernate

How to retrieve records from a table

Regarding slow performance in Hibernate

Is there is option to mention TransactionModeas manged property in Hibernate

Hibernate Spring repository returns new object and therefore breaks references between objects

Child mapping help

Trouble setting in class

Clearing Entity from Hibernate

Updating child DTO object and @MapsId

inconsistent jars for hibernate setup

Hibernate Caching Entities

Need help setting up Hibernate

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

Hibernate mapping problem

Hibernate ManyToOne mapping with filter

how do I see Hibernate summarized statistical information ?

Hibernate not inserting rows

JPA detaching entity still persists upon exit

Hibernate & Joda DateTime - SQLException: expected DATE got BINARY

Hibernate framework depiction in Java bank management system

Join table for java @manytomany relationship empty

what will happen if we save from the non owner side of a many-to-many bi-directional ?

Should CASCADE only be specified on the owner side of a bi-directional relationship ?

java.sql.SQLException: Column 'JOB_ID' not found

orphanRemoval not working

Databases