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Possible issue for JPQL IN expression

once and run multiple times with different string collections. support Support

Query filter comparing Dates

may require maintaining multiple modes), changes are considered very carefully. Hopefully

Externalising persistence.xml properties in Glassfish?

for your time! Willks William Hello, Why dont you create multiple presistance units in the persistance.xml

Persist error @ManyToMany how to define correct entities relationships

I have Product entities containing a list of Category enties. Each product can have multiple Category but they are all refering to same limited set of Category entities (via ID). There is not changes made to Category from Product. The category ID is taken from the webservice Object ID (unique

Evaluating ObjectDB for SaaS Application

for the reply. Why is write limited to master ? arunjoy Arun Joy An architecture of one writer and multiple

Error: Failed to write value of field X using reflection (oneToMany relation)

Hi there! I have been all day trying to solve this. I have read multiple sites and documentation, but I can go through this. I have a clase named Pedido, that have a reference ManyToOne to a clase Cliente. @Entity public class Pedido { @Id @GeneratedValue private long id

Problem with bidirectional link

of multiple references to the same instance of a class? It's hard to tell with the opaque code

JPA query of a Set of terms

than the number of Page instances in the database, because each Page may have multiple entries in

Error 990 when querying a class with persistence-capable-superclass

by multiple begin and commit transaction IRule rule = new Rule();   ...     dbService

Retrieving Metamodel without Connection

Hello! I use Spring Data JPA. It uses the Metamodel to create repository beans. This triggers a connection to the ObjectDB server. It happens on every start of the Context. If it fails the application isn't available at all. I had the situations multiple times that my database server took longer

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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