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ObjectDB - Object Database for Java (JPA/JDO)

Boost your application database performance. Database performance is critical as it is the bottleneck in most applications. ObjectDB is extremely fast and much faster than any other JPA solution ... layer. The result is better performance and faster applications, especially when the object data model

Locking in JPA

is being performed on an old version of a database object, for which another update has already been committed ... efficiency (relative to a retrieval followed by a separate lock), these methods perform retrieval

Privacy Policy

to facilitate the Service, to provide the Service on behalf of the Company, to perform services related ... . For the performance of a contract, including the development, compliance and undertaking of the purchase


ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management System (ODBMS). ObjectDB Software is the market leader in providing a very high performance ... . When database performance matters - ObjectDB Software provides the most effective solution. ObjectDB Software

SELECT clause (JPQL / Criteria API)

. Specifying the required query results more precisely can improve performance and in some cases ... is that the later filters duplicate results. Filtering duplicate results might have some effect on performance

ObjectDB Object Database Features

tracking (requires login). Performance and Speed ObjectDB is extremely fast - much faster than any ... performance by avoiding reflection and by using smart tracking. Non enhanced classes

Database Connection using JPA

functionality for performing operations on a database. Many applications require multiple database connections ... ) must be performed within an active transaction. The EntityTransaction interface represents

Index Definition

a more efficient range scan can be performed. ObjectDB also uses indexes for sorting results ... in the WHERE clause, a full index scan would be performed. Additionally, if field y was the first

[ODB1] Chapter 1 - About ObjectDB

. It has a small footprint, high performance, and a flexible architecture (1-Tier, 2-Tier or N-Tier). 1 ... database concepts and the tables and columns defined for an application in order to perform the necessary ... is Very Fast ObjectDB has very good performance. It can store and retrieve thousands of objects

[ODB1] Chapter 8 - ObjectDB Server

the cache and improve server performance: > java -server -Xmx512m com.objectdb.Server start To stop ... to establish an ordinary non secured connection is performed. Of course, this attempt is expected to fail if the server is set to use SSL.

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.

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