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Manual
7

ObjectDB Developer's Guide [2018-08-07]

.             Shows how to use JPA to store, retrieve, update and delete database objects.             Explains
Manual
7

Index Definition

field whose type is List. The query retrieves the documents that contain "JPA". An index
Tutorial
7

Step 5: Add a JSP Page

for signing the guestbook, followed by a list of all the guests that have already signed (which are retrieved
Tutorial
7

Step 4: Add a Servlet Class

are retrieved from the database and stored in the request's "guest" attribute. Then the processing
Manual
7

JPA Query API

, the same JPQL query which retrieves all the Country objects in the database is represented by both q1
FAQ
7

What is ObjectDB?

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.), but it uses an object oriented model to store and manage data. You can easily store ordinary
Tutorial
7

Step 5: Add a JSP Page

that have already signed (which are retrieved from the request's guestDao attribute that is set by the controller in
Tutorial
7

Step 5: Add a JSP Page

the guestbook, followed by a list of all the guests that have already signed (which are retrieved from
Manual
7

Deleting JPA Entity Objects

Existing entity objects can be deleted from the database either explicitly by invoking the remove method or implicitly as a result of a cascade operation. Explicit Remove In order to delete an object from the database it has to first be retrieved (no matter which way) and then in an active
Tutorial
7

Step 3: Add a Context Listener Class

context - when the web application starts (contextInitialized). Retrieves the EntityManagerFactory