New Topic

programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums

this forum made possible by our volunteer staff, including ...

Marshals:

Campbell Ritchie
Ron McLeod
Tim Cooke
Liutauras Vilda
Jeanne Boyarsky

Sheriffs:

Paul Clapham
Rob Spoor
Junilu Lacar

Saloon Keepers:

Stephan van Hulst
Tim Holloway
Piet Souris
Carey Brown

Bartenders:

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

Best this year

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

8 replies 1

Hibernate: org.hibernate.StaleObjectStateException:Row was updated or deleted by another transaction

3 replies

Object Relational Mapping

OneToOne relationship in java

10 replies

Not able to catch ConstraintViolationException in Hibernate

10 replies

Converting database format to java

5 replies

HQL insert syntax to insert "nested object"

5 replies

Object Relational Mapping

Why does Eclipse not show Hibernate Query Results properties?

3 replies 1

Getting rid of special characters in TOAD commands

5 replies

Deleted records from database by JPA

5 replies

ManyToOne on Child Entities Only

4 replies

how to identify uicode columns in ORACLE

2 replies

Connect/Sync mysql data realtime to sharepoint after data is added

3 replies

How to Read dynamically from datasource in c#

1 reply

HQL insert syntax to insert "nested object"

0 replies

Want to track how long Hibernate session is using DB connection from JDBC connection pool

3 replies

How to convert this mysql query to JPA Query?

6 replies

Object Relational Mapping

Can I delete entity class and create new one after changes

4 replies

Right way to persist unique values in ManyToMany relations

0 replies

Persism 2.2.0 released - A Lightweight ORM for Java

0 replies

Hibernate 6

0 replies

More »
Best this month

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

8 replies 1

More »
Object Relational Mapping Forum at JavaRanch

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

1 day ago 8 replies 1

Object Relational Mapping

OneToOne relationship in java

3 weeks ago 10 replies

Hibernate: org.hibernate.StaleObjectStateException:Row was updated or deleted by another transaction

1 month ago 3 replies

HQL insert syntax to insert "nested object"

1 month ago 5 replies

Not able to catch ConstraintViolationException in Hibernate

2 months ago 10 replies

Converting database format to java

2 months ago 5 replies

Object Relational Mapping

Why does Eclipse not show Hibernate Query Results properties?

2 months ago 3 replies 1

When all columns of an @Embedded field are NULL (JPA / Hibernate)

3 months ago 2 replies

Right way to persist unique values in ManyToMany relations

4 months ago 0 replies

Persism 2.2.0 released - A Lightweight ORM for Java

4 months ago 0 replies

Getting rid of special characters in TOAD commands

5 months ago 5 replies

Connect/Sync mysql data realtime to sharepoint after data is added

5 months ago 3 replies

How to Read dynamically from datasource in c#

6 months ago 1 reply

Deleted records from database by JPA

6 months ago 5 replies

ManyToOne on Child Entities Only

7 months ago 4 replies

how to identify uicode columns in ORACLE

7 months ago 2 replies

Hibernate Interview Questions

8 months ago 17 replies

NetBeans

Can I delete entity class and create new one after changes

8 months ago 4 replies

Hibernate 6

9 months ago 0 replies

JPQL Constructor Expression case when Enum Literal

9 months ago 3 replies

Persism ORM Release 2.1.0 - with support for Table Joins!

9 months ago 0 replies

Want to track how long Hibernate session is using DB connection from JDBC connection pool

10 months ago 3 replies

SQL BCNF

10 months ago 0 replies

Getting record during batch insertion

11 months ago 0 replies

How to convert this mysql query to JPA Query?

11 months ago 6 replies

JSF

JSF page is not displaying the mysql records in primefaces datatable.

1 year ago 33 replies 3

Object Relational Mapping

Is it necessary to execute refresh after an respository save?

1 year ago 1 reply

Java in General

How to make a Join with JPQL, to search in a column of an Jointable?

1 year ago 12 replies

JAVA Illegal attempt to associate a collection with two open sessions. Collection

1 year ago 14 replies

Looking for Sample Project

1 year ago 3 replies

Blatant Advertising

Persism and the SELECT N+1 problem

1 year ago 0 replies

Blatant Advertising

Persism 2.0.0 Released - A zero ceremony ORM for Java

1 year ago 0 replies

To Hibernate or Not?

1 year ago 15 replies

javax.persistence.PersistenceException: No Persistence provider for EntityManager

2 years ago 5 replies
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- ...
- 343
- ►
Forum leaders: Tim Holloway Frits Walraven
Databases
- Object Relational Mapping 42524
- JDBC and Relational Databases 87062
- MongoDB 593
- Hadoop 1312
- Neo4j 136
- Riak 1
- Big Table 88
- Other Big Data 551

What do the icons mean:

= Topic with 1 to 5 flags
= Topic with 5 or more flags
= Topic with 10 or more flags
= Topic with unread post(s)

Object Relational Mapping

Best this year

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

Hibernate: org.hibernate.StaleObjectStateException:Row was updated or deleted by another transaction

OneToOne relationship in java

Not able to catch ConstraintViolationException in Hibernate

Converting database format to java

HQL insert syntax to insert "nested object"

Why does Eclipse not show Hibernate Query Results properties?

Getting rid of special characters in TOAD commands

Deleted records from database by JPA

ManyToOne on Child Entities Only

how to identify uicode columns in ORACLE

Connect/Sync mysql data realtime to sharepoint after data is added

How to Read dynamically from datasource in c#

HQL insert syntax to insert "nested object"

Want to track how long Hibernate session is using DB connection from JDBC connection pool

How to convert this mysql query to JPA Query?

Can I delete entity class and create new one after changes

Right way to persist unique values in ManyToMany relations

Persism 2.2.0 released - A Lightweight ORM for Java

Hibernate 6

Best this month

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

Object Relational Mapping Forum at JavaRanch

When normalizing a table, how do you decide where to move fields that are not dependent to the PK?

OneToOne relationship in java

Hibernate: org.hibernate.StaleObjectStateException:Row was updated or deleted by another transaction

HQL insert syntax to insert "nested object"

Not able to catch ConstraintViolationException in Hibernate

Converting database format to java

Why does Eclipse not show Hibernate Query Results properties?

When all columns of an @Embedded field are NULL (JPA / Hibernate)

Right way to persist unique values in ManyToMany relations

Persism 2.2.0 released - A Lightweight ORM for Java

Getting rid of special characters in TOAD commands

Connect/Sync mysql data realtime to sharepoint after data is added

How to Read dynamically from datasource in c#

Deleted records from database by JPA

ManyToOne on Child Entities Only

how to identify uicode columns in ORACLE

Hibernate Interview Questions

Can I delete entity class and create new one after changes

Hibernate 6

JPQL Constructor Expression case when Enum Literal

Persism ORM Release 2.1.0 - with support for Table Joins!

Want to track how long Hibernate session is using DB connection from JDBC connection pool

SQL BCNF

Getting record during batch insertion

How to convert this mysql query to JPA Query?

JSF page is not displaying the mysql records in primefaces datatable.

Is it necessary to execute refresh after an respository save?

How to make a Join with JPQL, to search in a column of an Jointable?

JAVA Illegal attempt to associate a collection with two open sessions. Collection

Looking for Sample Project

Persism and the SELECT N+1 problem

Persism 2.0.0 Released - A zero ceremony ORM for Java

To Hibernate or Not?

javax.persistence.PersistenceException: No Persistence provider for EntityManager

Databases