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JPA Doc
23

javax.persistence.TypedQuery

javax.persistence Interface TypedQuery Superinterfaces: Query Interface used to control the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete
JDO Doc
23

JDO Reference (JavaDoc)

Java/JDO API Reference (based on the JDO 2.2 JavaDoc)
JPA Doc
23

JPA Reference (JavaDoc)

Java/JPA API Reference (based on the JPA 3 JavaDoc)
JPA Doc
20

javax.persistence.criteria.CriteriaQuery

> The CriteriaQuery interface defines functionality that is specific to top-level queries. Since: JPA 2.0 Learn how to define queries using the criteria API in Chapter 4 of the ObjectDB/JPA manual. AbstractQuery distinct(boolean distinct) Specify whether duplicate query results will be eliminated. Specify
Manual
18

JPA Entity Fields

the database, but is still available after retrieval by a special automatic query. Note: Navigation ... , since it requires running queries. Inverse fields are essential for collection fields when using ORM JPA ... the database. ObjectDB accomplishes this by effectively running the following query (where :d represents
Manual
17

Online Backup

applications. Starting Online Backup The online backup can be started by executing a special query ... .createQuery("objectdb backup").getSingleResult(); The backup query string is always exactly "objectdb backup ... executing the backup query:      Query backupQuery = em.createQuery("objectdb backup
Result
17

What is new in ObjectDB 2.0?

keys size. SQL like queries ("select from ... where ..."). Real non blocking multithreading in query execution. Support of composite indexes and using indexes in query result sort. Improved query ... (PersistenceManagerFactory scope) object data cache. Query program cache for repeating queries
Forum
16

JPA Query language support in OBjectDB / Sub query or nested Query

have given a sample typed query below which fails to work with ObjectDB and it runs very well with the Hibernate/MySQL JPA. We are using Spring Data here. It looks like a problem with Sub query or nested queries where I am using IN clause like below. @ Query("SELECT product FROM Product product
JDO Doc
16

javax.jdo.PersistenceManager

application components. It is the factory for Query and Transaction instances, and contains methods ... of instances in the data store that might be iterated or given to a Query. The Extent itself might not ... of the specified Class Since: JDO 1.0 See Also: Query FetchGroup getFetchGroup(Class cls, String name
JPA Doc
15

javax.persistence.criteria.Subquery

a subquery root correlated to a root of the enclosing query. Create a subquery root correlated to a root of the enclosing query. Parameters: parentRoot - a root of the containing query Returns: subquery ... correlated to a join object of the enclosing query. Create a subquery join object correlated to a join object