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. package test.Domain; ...imports.... @Entity @Access(AccessType.PROPERTY) @NamedQueries({ @NamedQuery(name="Department.findAll", query="SELECT d FROM Department AS d"), @NamedQuery(name="Department.byName", query="SELECT d from Department AS d WHERE d.name = :name"), @NamedQuery(name

Conflicting modifiers .... (javax.persistence.Id, javax.persistence.ManyToOne)

.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.Query; import javax.persistence.Version; import uk.co.his.experiment8.common.TestException; @Entity @NamedQueries({ @NamedQuery(name = "numberOfMapItems", query = "SELECT COUNT(x) FROM CompoundKeyMapItem x

ObectDb 2.3.6 in OSGi environment

.findRoot", RuleValueNode.class); the corresponding POJO: @Entity @NamedQueries({   @NamedQuery ... "),   @NamedQuery(name = "RuleValueNode.findNotNodes", query = "SELECT rvn FROM RuleValueNode rvn where rvn.value.not = true and rvn.parent = :parent"),   @NamedQuery(name = "RuleValueNode

Should derived fields of an EmbeddedId be manually maintained by app code?

javax.persistence.Id; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery ... .TestException; @Entity @NamedQueries({ @NamedQuery(name = "numberOfMapItems", query = "SELECT COUNT(x

Database Inconsistency or corruption

.persistence.Table(name = "ObjectValues", schema = "dex_01") @javax.persistence.NamedQueries ... ="dex_01") @javax.persistence.NamedQueries({ /* queries */}) public class Attribute implements metamodel ... .InheritanceType.JOINED) @javax.persistence.NamedQueries({ /* queries */ }) @DiscriminatorColumn(name = "type

Embedded List

Why does this NamedQuery only work sometimes? @NamedQuery(name = "ItemDB.getPartial", query = "SELECT i FROM com.model.ItemDB i JOIN i.lstSupplier s WHERE s.strSupNumber LIKE ?1") I use this to access it. TypedQuery<ItemDB> tqItem = emf.createEntityManager().createNamedQuery("ItemDB.getPart

Cast exception?

).getSingleResult(); Where the query is a NamedQuery store in Player class file: @NamedQuery(name="Player

Query can't see recently persisted object

within the same container transaction? @NamedQueries( { @NamedQuery( name = "MyQuery

Composite Index error 328

") @NamedQueries( { @NamedQuery(name = "UsrListEntity.clearAllIds" , query

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

with field "type" GOOD found by the the NamedQuery does not correspond with the actual data present ... button. That's it. Anyway...it's just a NamedQuery that is executed by an EntityManager

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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