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ObjectDB Overview

. Advanced querying and indexing capabilities. Effective in heavy loaded multi-user environments

Database Management Settings

. Therefore, when ObjectDB runtime is bundled in a product that uses only signed enhanced persistable classes - activation by end users is unnecessary.

BIRT/ODA ObjectDB Driver

- either embedded (e.g. c:\points.odb) or client-server (e.g. objectdb://localhost/points.odb;user=admin

ObjectDB License Agreement [ver. 2.0.4]

that guarantees that any user of the Product and the embedded Software will be committed to the terms

ObjectDB License

of end users. For a quote please contact ObjectDB Sales (sales@objectdb.com). Educational License

JPA Entity Fields

Fields of persistable user defined classes (entity classes, embeddable classes and mapped superclasses) can be classified into the following five groups: Transient fields Persistent fields Inverse (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent

Comparison in JPQL and Criteria API

operators (=, <>, ==, !=). Instances of user defined classes (entity classes and embeddable classes

JPA Criteria API Queries

API may be preferred. For example, building a dynamic query based on fields that a user fills

Step 2: Entity Class and Persistence Unit

.odb"/> <property name="javax.persistence.jdbc.user" value="admin"/> <property name

Step 3: Create an ObjectDB Data Source

. objectdb://localhost/points.odb;user=admin;password=admin). You may click the Test Connection button

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
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  5. Search or file an issue
  6. Contact support