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Manual
12

Setting and Tuning of JPA Queries

for the first page), the following expression retrieves the results for a specified page: Listretrieves. For example, the following query
Tutorial
12

Step 3: Define a Spring DAO Component

); } // Retrieves all the guests: public List getAllGuests() { TypedQuery query ... - for storing a new Guest entity object in the database. getAllGuests - for retrieving all the existing
Tutorial
12

Step 3: Define a Spring DAO Component

public void persist(Guest guest) { em.persist(guest); } // Retrieves ...  Guest entity object in the database. getAllGuests - for retrieving all the existing Guest objects
Tutorial
12

Step 3: Define an EJB Session Bean

); } // Retrieves all the guests: public List getAllGuests ... - for retrieving all the existing Guest objects from the database. EJB classes are only supported by Java EE
Tutorial
12

Step 3: Define an EJB Session Bean

) { em.persist(guest); } // Retrieves all the guests: public Listretrieving all the existing Guest objects from the database. EJB classes
Tutorial
12

Step 4: Add a Servlet Class

is retrieved from the application scope attribute, and then an EntityManager (representing a database ... entity objects are retrieved from the database and stored in the request's "guest" attribute
Tutorial
12

Step 4: Add a Servlet Class

operations on every http request: The EntityManagerFactory is retrieved from the application scope attribute ... is constructed and stored in the database. All the Guest entity objects are retrieved from
Manual
12

Updating JPA Entity Objects

Once an entity object is retrieved from the database (no matter which way) it can simply be modified in memory ... when it is retrieved from the database and to compare that snapshot to the actual managed object
JPA Doc
10

javax.persistence.TypedQuery

object was set to retrieve. The position of the first result the query object was set to retrieve ... the query object was set to retrieve. The maximum number of results the query object was set to retrieve. Returns Integer.MAX_VALUE if setMaxResults was not applied to the query object. Returns
Result
9

About ObjectDB Database

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval, transactions, lock management, query processing