Fast Object Database for Java - with JPA/JDO support

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reference_path_of_type_EEI.PNG

reference_path_of_type_EEI.PNG
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reference_path_of_type_Date.PNG

reference_path_of_type_Date.PNG
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reference_path_of_entity.PNG

reference_path_of_entity.PNG
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reference_path_of_byte_array_4096.PNG

reference_path_of_byte_array_4096.PNG
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reference_path_of_byte_array_152.PNG

reference_path_of_byte_array_152.PNG
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reference_path_of_byte_array_32.PNG

reference_path_of_byte_array_32.PNG
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Navigation through Path to evaluate collection

Navigation through Path to evaluate collection
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Database Explorer

directory a path to it has to be specified. Alternatively, you can run the Explorer by double ... the shell file, setting the paths to the objectdb.jarfile and to the JVM). Connecting ... connection. You also have to specify a database path on the server, possibly using the Browse button
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SELECT clause (JPQL / Criteria API)

- JPQL does not support the "SELECT *" expression (which is commonly used in SQL). Projection of Path ... FROM Country AS c Using path expressions, such as c.name, in query results is referred to as ... > results = query.getResultList(); Only singular value path expressions can be used in the SELECT
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Database Connection using JPA

of a persistence unit. As an extension, ObjectDB enables specifying a database url (or path) directly ... ObjectDB embedded directly in your application (embedded mode), an absolute path or a relative path ... , a url in the format objectdb://host:port/path has to be specified. In this case, an ObjectDB

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
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support