ObjectDB ObjectDB

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8

Entity Management Settings

the size of the shared level 2 cache that is managed by the EntityManagerFactory and shared by
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ObjectDB Overview

. Can easily be embedded in applications of any type and size. Tested with Tomcat, Jetty, GlassFish, JBoss
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Database Server

. For instance, you can increase the maximum JVM heap size and improve performance by using HotSpot JVM
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Setting and Tuning of JPA Queries

is used to specify the result window size. Any result after hitting that specified maximum is ignored
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Auto Generated Values

) and an allocation size (the default is 50). A sequence is global to the application and can be used by
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Chapter 6 - Configuration

and kilobytes (respectively), can be used in any size value attribute in the configuration file
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Numbers in JPQL and Criteria Queries

- when the return value is numeric, e.g. INDEX, SIZE. as string functions - when the return value is numeric, e
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JPA Criteria API Queries

, ...). Collection expressions (isEmpty, isNotEmpty, isMember, isNotMember, size). Comparison
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Paths and Types in JPQL and Criteria API

one group, and COUNT calculates its size). Criteria Query Paths and Types Paths and navigations
0

[ODB1] Chapter 4 - JDO Metadata

field, empty collection, 0 size array, and so on). primary-key The primary-key attribute, defined in

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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