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61-70 of 200 resultsRefreshIs ObjectDB better than Object Relational Mapping (ORM)?) to access relational databases when necessary - with exactly the same code. | |
Database Connection using JPA to access the database } finally { em.close | |
Entity Management Settings as hollow, and loading their persistent content lazily, when they are accessed, could improve | |
JPA 2 Annotations: Access Modes|Value Generation | |
Paths and Types in JPQL and Criteria API>NullPointerException is thrown on any attempt to access a field or a method via a null | |
SSL Configuration is used. As shown above, SSL is disabled by default. It could be enabled when accessing remote ObjectDB | |
Step 3: Define a Spring DAO Component Operations on the database will be performed by an instance of a Data Access Object (DAO) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Projects | |
Step 3: Define a Spring DAO Component Operations on the database will be performed by an instance of a Data Access Object (DAO) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package | |
Step 5: Add a JSP Page>The parent folder should be WEB-INF (to prevent direct access to the JSP bypassing Spring). | |
[ODB1] Chapter 4 - JDO Metadata the database its fields are not ready yet. Only when the program accesses a field is the field value loaded |