About data integrity

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JPA Doc
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JPA Annotations for Java EE

The following JPA annotations are in use to integrate JPA into a Java EE application and are managed by the Java EE container:
Tutorial
5

Java EE 6 JPA Tutorial - Eclipse Project

only if Maven Integration for WTP is installed when the Maven project is imported into the IDE
Manual
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Database Server

embedded mode, ObjectDB is integrated as a library and runs within the application process
Tutorial
5

Step 6: Set the Spring XML

To integrate the Spring Framework into a web application we have to add the definition of the Spring dispatcher servlet to the web.xml configuration file and to configure that servlet using another xml configuration file. Open the web.xml file (under Web Pages > WEB-INF) in a text editor (by right
JDO Doc
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javax.jdo.PersistenceManagerFactory

() Get the driver name for the data store connection. Get the driver name for the data store connection. Returns: the driver name for the data store connection. Since: JDO 1.0 Object getConnectionFactory() Get the data store connection factory. Get the data store connection factory. Returns: the data store
Manual
4

Database Management Settings

. sync=false is much faster in writing data to a database, but true might be safer in production. By ... . Indexing large amount of data may take considerable processing time. The enabled attribute (whose value is "true" or "false") specifies if existing data should be indexed automatically by ObjectDB in
Manual
4

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
Manual
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JPA Entity Fields

Fields Inverse (or mapped by) fields contain data that is not stored as part of the entity in ... a bidirectional relationship. In a bidirectional relationship, the side that stores the data ... is explicitly defined. Property Access When an entity is being stored to the database data is extracted from
FAQ
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What is the Java Persistence API (JPA)?

) is that in JPA data is represented by classes and objects rather than by tables and records as in JDBC. Using plain old Java objects (POJO) to represent persistent data can significantly simplify database ... are Object Relational Mapping (ORM) tools. The mapping bridges between the data representation in
Tutorial
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Step 5: Design a BIRT Report Chart

the [Select Chart Type] tab select Tube as the chart type and click Next. In the [Select Data] tab ... with the real data: In the next step we will add a table view of the same data to the report.