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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
Object Relational Mapping Forum at JavaRanch
Not able to catch ConstraintViolationException in Hibernate
2 years ago
10 replies
Converting database format to java
2 years ago
5 replies
Object Relational Mapping
Why does Eclipse not show Hibernate Query Results properties?
2 years ago
3 replies
1
When all columns of an @Embedded field are NULL (JPA / Hibernate)
2 years ago
2 replies
Right way to persist unique values in ManyToMany relations
2 years ago
0 replies
Persism 2.2.0 released - A Lightweight ORM for Java
2 years ago
0 replies
Connect/Sync mysql data realtime to sharepoint after data is added
2 years ago
3 replies
How to Read dynamically from datasource in c#
2 years ago
1 reply
Deleted records from database by JPA
2 years ago
5 replies
ManyToOne on Child Entities Only
2 years ago
4 replies
how to identify uicode columns in ORACLE
3 years ago
2 replies
Hibernate Interview Questions
3 years ago
17 replies
NetBeans
Can I delete entity class and create new one after changes
3 years ago
4 replies
Hibernate 6
3 years ago
0 replies
JPQL Constructor Expression case when Enum Literal
3 years ago
3 replies
Persism ORM Release 2.1.0 - with support for Table Joins!
3 years ago
0 replies
Want to track how long Hibernate session is using DB connection from JDBC connection pool
3 years ago
3 replies
SQL BCNF
3 years ago
0 replies
Getting record during batch insertion
3 years ago
0 replies
How to convert this mysql query to JPA Query?
3 years ago
6 replies
JSF
JSF page is not displaying the mysql records in primefaces datatable.
3 years ago
33 replies
3
Object Relational Mapping
Is it necessary to execute refresh after an respository save?
3 years ago
1 reply
Java in General
How to make a Join with JPQL, to search in a column of an Jointable?
3 years ago
12 replies
JAVA Illegal attempt to associate a collection with two open sessions. Collection
3 years ago
14 replies
Looking for Sample Project
3 years ago
3 replies
Blatant Advertising
Persism and the SELECT N+1 problem
3 years ago
0 replies
Blatant Advertising
Persism 2.0.0 Released - A zero ceremony ORM for Java
3 years ago
0 replies
To Hibernate or Not?
3 years ago
15 replies
Unable to resolve name [org.hibernate.dialect.MySQlDialect]
3 years ago
1 reply
Suggest a book on RDBMS concepts
3 years ago
7 replies
ERROR OneTOMany/ManyToOne mapping: FK null at time of saving parent - child table
3 years ago
3 replies
OneToMany/ManyToOne mapping, children are not deleted with update (PUT)
3 years ago
0 replies
A java problem related to shopping mall
3 years ago
4 replies
Why is with a many-to-many the response data recursive...?
3 years ago
5 replies
javax.persistence.PersistenceException: No Persistence provider for EntityManager
4 years ago
5 replies
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