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Manual
319

Online Backup

introduces support of online backup, which enables backing up an ObjectDB database while it is in use ... applications. Starting Online Backup The online backup can be started by executing a special query ... .createQuery("objectdb backup").getSingleResult(); The backup query string is always exactly "objectdb backup
Result
37

ObjectDB Object Database Features

- Java Data Objects (JDO) Query Language - Java/SQL like syntax. Query Definition and API Dynamic ... replication (clustering) with an unlimited number of slave nodes. Dynamic composite database connections for high availability and fault tolerance. Online Backup Online backup by a simple query
Manual
34

Database Transaction Replayer

can apply recorded database operations on a matching database backup (if available). This ability ... the recorded operations. It enables reproducing problems during debugging by repeating a failure. Backup ... contains two types of files: Backup files - with names of the form .odb Recording
Manual
16

Database Replication and Clustering

Replication enables maintaining up to date version of an ObjectDB database on multiple nodes.
Manual
13

JPA Query API

because it introduces the Country class to ObjectDB. Dynamic JPQL, Criteria API and Named Queries ... above, is referred to in JPA as dynamic query construction because the query string can be built dynamically at runtime. The JPA Criteria API provides an alternative way for building dynamic queries,  based
Tutorial
12

Step 1: Create a Web Project

We start by creating a new Eclipse Dynamic Web Project: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next. Choose a Project Name ... the dynamic web project. Now, add ObjectDB support to the new Eclipse Project - by dragging the objectdb.jar
Manual
10

JPA Criteria API Queries

for building dynamic queries whose exact structure is only known at runtime. JPA Criteria API vs JPQL ... . as named queries) may be preferred. For dynamic queries that are built at runtime - the criteria API may be preferred. For example, building a dynamic query based on fields that a user fills at runtime
Tutorial
10

Step 1: Create a Java EE 6 Web Project

We start by creating a new Java EE 6 dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next. Choose ... EE 6 dynamic web project. To add ObjectDB/JPA support for the project drag the objectdb.jar file
JPA Doc
10

JPA Queries

. "SELECT c FROM Country"). Criteria Query API Building dynamic queries with structure that is known ... a cleaner alternative that enables building a dynamic query by using instances of special types ... instance. Building a dynamic query using the criteria API is managed by the CriteriaQuery interface
Forum
10

Failed to generate dynamic type objectdb.java.util.ArrayList

.InternalException: com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList com.objectdb.o.UserException: Failed to generate dynamic type objectdb.java.util.ArrayList at com ... .objectdb.o.InternalException: com.objectdb.o.UserException: Failed to generate dynamic type