About ENABLE_SELECTIVE

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Tutorial
4

Java EE 6 JPA Tutorial - Eclipse Project

: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-jee6 directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse: Right click the project node and select Run As > Run On Server. (this command is available
Tutorial
4

Spring MVC JPA Tutorial - Eclipse Project [2015-06-02]

zip file: Spring MVC JPA - Maven Project (7KB). Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-spring directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse: Right
Tutorial
4

Spring MVC JPA Tutorial - Eclipse Project

zip file: Spring MVC JPA - Maven Project (7KB). Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-spring directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse: Right
Tutorial
4

JPA Web App Tutorial - Eclipse Project [2015-06-02]

the project zip file: JPA Web Application - Maven Project (6KB). Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-web directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse
Tutorial
4

JPA Web App Tutorial - Eclipse Project

the project zip file: JPA Web Application - Maven Project (6KB). Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-web directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse
Tutorial
4

Step 3: Add a Main Class [2018-10-20]

clicking the tutorial package node (in the [Package Explorer] window) and selecting New > Class ... (); // Find the number of Point objects in the database: Query q1 = em.createQuery("SELECT COUNT(p ... ()); // Find the average X value: Query q2 = em.createQuery("SELECT AVG(p.x) FROM Point p
Tutorial
4

Step 3: Add a Main Class

) and selecting New > Class. The package name should be tutorial. Enter Main as the class name - use exactly ... (); // Find the number of Point objects in the database: Query q1 = em.createQuery("SELECT ... ()); // Find the average X value: Query q2 = em.createQuery("SELECT AVG(p.x) FROM Point p
JPA Doc
4

javax.persistence.Cacheable

javax.persistence Annotation Cacheable Target: Classes Specifies whether an entity should be cached if caching is enabled when the value of the persistence.xml caching element is ENABLE_SELECTIVE or DISABLE_SELECTIVE. The value of the Cacheable annotation is inherited by subclasses
Manual
4

JPA / JDO Class Enhancer

to be enhanced. Enhancement improves efficiency in three ways: Enhanced code enables efficient ... notifies ObjectDB whenever a persistent field is modified. Enhanced code enables lazy loading
Manual
4

Locking in JPA

by another transaction. When using ObjectDB, optimistic locking is enabled by default and fully ... is completely automatic and enabled by default in ObjectDB, regardless if a version field (which is required by