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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

Object Relational Mapping

No persistence provider for EntityManager for Hibernate in Maven

2 replies 2

Problem in building hibernate SessionFactory

34 replies 4

Object Relational Mapping

Types of SQL injections

5 replies 1

Object Relational Mapping

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

1 reply 3

Hibernate mapping problem

5 replies 1

Object Relational Mapping

book is not mapped - hibernate issue

1 reply 1

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

3 replies 1

Object Relational Mapping

Suggest For Books Please

7 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

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

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

What are the performant way to connect to a database?

1 reply

Best noSQL database to embed into a Java application?

3 replies

More »
Best this month

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

What are the performant way to connect to a database?

1 reply

How do you Map String Array to JPA ?

4 replies 1

why use c3p0 ?

1 reply

Is hibernate reverse engineering compulsory ?

1 reply

Is there any query to list all the tables including certain characters in table name for Oracle ?

2 replies

Hibernate org.hibernate.MappingException:

0 replies

HibernateDaoSupport is deprecated in spring 3 but present in spring 4

0 replies

Need to know about Devops

0 replies

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

0 replies

-Configured server platform: org.eclipse.persistence.platform.server.NoServerPlatform and error

0 replies

More »
Object Relational Mapping Forum at JavaRanch

Is there is option to mention TransactionModeas manged property in Hibernate

9 months ago 0 replies

Spring

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

9 months ago 1 reply 3

Child mapping help

9 months ago 0 replies

Trouble setting in class

9 months ago 2 replies

Clearing Entity from Hibernate

9 months ago 0 replies

Updating child DTO object and @MapsId

9 months ago 13 replies

inconsistent jars for hibernate setup

10 months ago 1 reply

Hibernate Caching Entities

10 months ago 4 replies

Need help setting up Hibernate

10 months ago 0 replies

Spring

book is not mapped - hibernate issue

10 months ago 1 reply 1

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

10 months ago 3 replies 1

Hibernate mapping problem

10 months ago 5 replies 1

Hibernate ManyToOne mapping with filter

10 months ago 0 replies

how do I see Hibernate summarized statistical information ?

10 months ago 2 replies

Hibernate not inserting rows

10 months ago 7 replies

JPA detaching entity still persists upon exit

10 months ago 3 replies

Hibernate & Joda DateTime - SQLException: expected DATE got BINARY

11 months ago 2 replies

Hibernate framework depiction in Java bank management system

11 months ago 0 replies

Join table for java @manytomany relationship empty

11 months ago 3 replies 1

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

11 months ago 1 reply

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

11 months ago 1 reply

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

11 months ago 1 reply

orphanRemoval not working

11 months ago 0 replies

problem parsing configuration / hibernate.cfg.xml

11 months ago 7 replies

Is it true that mappedBy is used in different way for one-to-many and many-to-many bidirectional ?

11 months ago 6 replies

Bidirectional many to many mapping

11 months ago 8 replies

Spring

Spring + Hibernate No Session found for current thread

1 year ago 1 reply 1

Hibernate manual

1 year ago 2 replies

Issue in Hibernate Mapping Entity class with DB table using Annotations

1 year ago 1 reply

JPA Left Join Eager Fetch fetches again with a select if child row doesnt exits

1 year ago 2 replies

Hibernate select Oracle

1 year ago 1 reply

Java JPA Order By with GPS Coordinates

1 year ago 3 replies

JPA LIKE condition

1 year ago 3 replies

BasicPathUsageException: Cannot join to attribute of basic type

1 year ago 2 replies

cascade and inverJoinColumn

1 year ago 1 reply
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Object Relational Mapping

Best this year

No persistence provider for EntityManager for Hibernate in Maven

Problem in building hibernate SessionFactory

Types of SQL injections

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

Hibernate mapping problem

book is not mapped - hibernate issue

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

Suggest For Books Please

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 ?

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?

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 ?

What are the performant way to connect to a database?

Best noSQL database to embed into a Java application?

Best this month

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

how to know what is mysql username and password ?

What are the performant way to connect to a database?

How do you Map String Array to JPA ?

why use c3p0 ?

Is hibernate reverse engineering compulsory ?

Is there any query to list all the tables including certain characters in table name for Oracle ?

Hibernate org.hibernate.MappingException:

HibernateDaoSupport is deprecated in spring 3 but present in spring 4

Need to know about Devops

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

-Configured server platform: org.eclipse.persistence.platform.server.NoServerPlatform and error

Object Relational Mapping Forum at JavaRanch

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

book is not mapped - hibernate issue

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

problem parsing configuration / hibernate.cfg.xml

Is it true that mappedBy is used in different way for one-to-many and many-to-many bidirectional ?

Bidirectional many to many mapping

Spring + Hibernate No Session found for current thread

Hibernate manual

Issue in Hibernate Mapping Entity class with DB table using Annotations

JPA Left Join Eager Fetch fetches again with a select if child row doesnt exits

Hibernate select Oracle

Java JPA Order By with GPS Coordinates

JPA LIKE condition

BasicPathUsageException: Cannot join to attribute of basic type

cascade and inverJoinColumn

Databases