About class

manual

JPA Persistable Types

Explains how JPA manages types, including entity classes, embeddable classes, primitive types, wrappers, string, date, enum, collections and maps.... Entity Classes An entity class is an ordinary user defined Java class whose instances can be stored in the database. The easy way to declare a ...

 
tutorial

Step 2: Define a JPA Entity Class

Explains how to create a JPA entity class in the NetBeans IDE.... an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the ...

 
tutorial

Step 2: Define a JPA Entity Class

Explains how to define a JPA entity class in a NetBeans Web Application.... an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Projects] ...

 
tutorial

Step 2: Define a JPA Entity Class

Explains how to create a JPA entity class in the Eclipse IDE.... an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Package ...

 
tutorial

Step 2: Define a JPA Entity Class

Explains how to define a JPA entity class in an Eclipse Web Application.... an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in a NetBeans Spring MVC web application project.... an ObjectDB database using JPA we need to define an entity class: Open the [New Entity Class] dialog box, e.g. by right clicking the project node (in the [Projects] ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in a NetBeans Java EE 6 web application.... an ObjectDB database using JPA we need to define an entity class: Open the [New Entity Class] dialog box, e.g. by right clicking the project node (in the ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in an Eclipse Spring MVC web application project.... an ObjectDB database using JPA we need to define an entity class: Right click the project node (in the [Package ... . Open the [New Java Class] dialog box, e.g. by right clicking the new source directory ...

 
tutorial

Step 2: Entity Class and Persistence Unit

To store objects in an ObjectDB database using JPA we need to define an entity class:... an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the ...

 
manual

Schema Update

Explains how to handle JPA/JDO database schema evolution in ObjectDB.... new-name = "com.example.new2" > <class name = "A" new-name = "NewA" /> <class name = "B" > <field name = "f1" ...