About Object Database

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Company [2017-10-19]

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management ... persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO
Result
9

Company [2018-10-27]

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management ... persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO
Result
9

Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management ... persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO
Manual
9

Query Parameters in JPA [2018-10-20]

) The following method retrieves a Country object from the database by its name: public Country ... ("name", name).getSingleResult(); } The WHERE clause reduces the query results to Country objects ... (as other query elements) are represented by objects (of type ParameterExpression or its super
Manual
9

Query Parameters in JPA [2011-04-01]

) The following method retrieves a Country object from the database by its name: public Country ... ("name", name).getSingleResult(); } The WHERE clause reduces the query results to Country objects ... (as other query elements) are represented by objects (of type ParameterExpression or its super
Manual
8

Query Parameters in JPA

) The following method retrieves a Country object from the database by its name: public Country ... ("name", name).getSingleResult(); } The WHERE clause reduces the query results to Country objects ... API - parameters (as other query elements) are represented by objects (of type ParameterExpression
Tutorial
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Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... name + " (signed on " + signingDate + ")"; } } The new class should represent Guest objects in the database. Besides the @Entity annotation and the id field (and its annotations) - the Guest
Tutorial
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Step 4: Add a Servlet Class

that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest ... on the database are carried on by the GuestDao session bean, which is instantiated and injected by
Tutorial
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Step 4: Add a Servlet Class

Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest" attribute. Then the processing ... " attribute to generate the page output. Notice that operations on the database are carried on by the GuestDao
Manual
8

JPA Named Queries

" that retrieves all the Country objects in the database: @NamedQuery(name="Country.findAll", query ... all the entity classes that have objects in the database. However, an attempt to use a named query ... mainly for Object Relational Mapping (ORM) JPA providers and less so when using ObjectDB