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[ODB1] Chapter 2 - A Quick Tour

This chapter introduces basic ObjectDB and JDO concepts, using two sample programs. We start ... , but it is a good sample to start with because of its simplicity.  We then proceed with the JDO Person ... a program entry point at development time. It starts by enhancing necessary classes (line 8). JDO
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Auto Generated Values

sequence numbers to start with 1 in the TABLE strategy initialValue=0 has to be specified in the @SequenceGenerator annotation.
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Company

500 companies as well as smaller companies and start-ups, governments and defence forces
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Consulting and Training

their knowledge. The course starts very quickly with the basics of JPA and creating a project
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Database Management Settings

the background index activation is completed, ObjectDB can start using the new indexes to accelerate
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GROUP BY and HAVING clauses

with names that start with that letter and the number of different currencies that are used by
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JPA Lifecycle Events

follows the definition order. Internal callback methods are invoked starting at the top level entity
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JPA Persistable Types

). Therefore, it is recommended to only use explicitly specified persistable types. Note: Starting ObjectDB version 2.2.9 - serialization is disabled by default.
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JPA Query API

. Building Queries with createQuery As with most other operations in JPA, using queries starts
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ObjectDB - Object Database for Java (JPA/JDO)

, records, ORM tools and mapping - start writing more effective database code using Java classes