6 | javax.persistence.EntityManager that are related or grouped by the application, and which must be colocated in their mapping to a single ... for executing a named query (in the Java Persistence query language or in native SQL). Create an instance of Query for executing a named query (in the Java Persistence query language or in native SQL |
6 | Database Replication and ClusteringObjectDB supports master-slave replication (cluster). When replication (or clustering) is used ... , but no other preparations or settings are required. Setting Slave Databases Setting slave databases is very easy ... can manage different types of databases, including master databases, slave database (by using one or |
6 | Detached Entity Objects object. Cascading Detach Marking a reference field with CascadeType.DETACH (or CascadeType ... invocation of rollback or by a commit failure. Explicit Merge Detached objects can be attached ... class or it is a removed entity. A TransactionRequiredException is thrown if there is no active |
6 | Auto Generated Values and using the named sequence in one or more fields in one or more classes. The @SequenceGenerator ... one or more fields in one or more classes. The SEQUENCE strategy is used in the @GeneratedValue |
6 | Query Parameters in JPA other query elements) are represented by objects (of type ParameterExpression or its super interface Parameter) rather than by names or numbers. See the Parameters in Criteria Queries section ... methods in order to specify what they represent, such as a pure date, a pure time or a combination |
1 | Eclipse/JPA Java EE Tutorial For this tutorial you will need the following software: Java JDK (6.0 or above). Eclipse IDE for Java EE Developers. GlassFish Server 3.0.1 (or above). The last version of ObjectDB (just download and extract ... : ObjectDB 2.3.7_04 or later is required if Glassfish 3.1.2 (or later) is used. The Tutorial Steps This tutorial consists of the following steps: |
1 | NetBeans/JPA Java EE Tutorial For this tutorial you will need the following software: Java JDK (6.0 or above). NetBeans - Java or ... slightly different but the code would be the same). Note: ObjectDB 2.3.7_04 or later is required if Glassfish 3.1.2 (or later) is used. The Tutorial Steps This tutorial consists of the following steps: |
0 | [ODB1] Chapter 1 - About ObjectDB. It has a small footprint, high performance, and a flexible architecture (1-Tier, 2-Tier or N-Tier). 1 ... (for example, as a result of special customer needs or requests) can be done without modifying code. The JDO ... have a visual browsing tool at all, or have a very limited one. Keep in mind that database programming |
0 | javax.jdo.Query namespace. The method declareImports introduces the names of the imported class or interface types ... , cast expression, etc.) a type name must be the name of the candidate class, the name of a class or interface imported by method declareImports, or denote a class or interface from the same package |
0 | ObjectDB 1.0 Manual (SQL, JDBC or JDO) is not required in order to follow this guide, but a strong background ... you may want to extend your knowledge of JDO by reading the JDO specification or a book on JDO. Feedback We would appreciate any comment or suggestion regarding this manual. Please send your comments or questions to support@objectdb.com. |
