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Manual
24

JPA Entity Fields

provider (such as Hibernate) or to change default field settings. For example: @Entity public class ... that field. Cascade and fetch settings are explained in chapter 3. A persistent field whose type ... Fields Inverse (or mapped by) fields contain data that is not stored as part of the entity in
Manual
23

JPA Persistable Types

The term persistable types refers to data types that can be used in storing data in the database ... , Mapped superclasses, Embeddable classes. Simple Java data types: Primitive types, Wrappers, String ... persistent fields would cause data duplication in the database. Entity Classes An entity class
Manual
22

Database Doctor

fresh database file and then copying all the recoverable data in the corrupted database file to the new
FAQ
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Which API should I use - JPA or JDO?

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer JPA JPA is more commonly used. Therefore, it might be the first choice for most new applications. You can use JPA as the primary
Tutorial
22

Step 6: Design a BIRT Report Table

. Set the column number to 2, number of details to 1, select the data set (e.g. Points by X) in the third field and click OK. Fill the table with data by dragging the x and y columns from the data set in the [Data Explorer] window (under the data set node) and dropping them on the second table row
Manual
19

Retrieving JPA Entity Objects

with data that is retrieved from the database (or from the L2 cache - if enabled). The new entity object ... as is. Otherwise, the object data is retrieved from the database and a new managed entity object with that retrieved data is constructed and returned. If the object is not found in the database null
JPA Doc
18

join(set)

Method javax.persistence.criteria.From SetJoin join(   SetAttribute set ) Create an inner join to the specified Set-valued attribute. Parameters: set - target of the join Returns: the resulting join Since: JPA 2.0
JPA Doc
18

join(set, jt)

Method javax.persistence.criteria.From SetJoin join(   SetAttribute set,   JoinType jt ) Create a join to the specified Set-valued attribute using the given join type. Parameters: set - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
JPA Doc
18

PluralAttribute.CollectionType.SET

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType SET Set-valued attribute Since: JPA 2.0
JDO Doc
18

JDOPermission.SET_STATE_MANAGER

Static Field javax.jdo.spi.JDOPermission JDOPermission SET_STATE_MANAGER An instance of JDOPermission to be used for setStateManager permission checking. Since: JDO 1.0