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95

Auto Generated Values

generated for that field. This is primarily intended for primary key fields but ObjectDB also supports this annotation for non-key numeric persistent fields as well. Several different value generation ... number generator for every database. This number generator is used to generate automatic object IDs
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General Settings and Logging

The <general> configuration element specifies ObjectDB settings that are relevant to both the server side and the client side. The default configuration file contains the following <general> element: <general> <temp path="$temp/ObjectDB" threshold="64mb" /> <network inactivity-timeout="0
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JPA Annotations for Value Generation

Automatically generated values are mainly useful for primary key fields, but are supported by ... can also reference a value generator, which is defined at the class level by using one of the following annotations: More details about automatic value generation are provided at the Generated Value section of the ObjectDB Manual.
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Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using the popular open source Business Intelligence and Reporting Tools (BIRT). In order to keep things as ... = x: (0, 0), (1, 1), (2, 2), ..., (999, 999) The BIRT report that we will create will be based
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BIRT/ODA ObjectDB Driver

. For step by step instructions on using BIRT with ObjectDB see the Report Generation with BIRT ... a JDOQL query and click Finish. See the Report Generation with BIRT and JPA tutorial for more detailed instructions. ... The ObjectDB BIRT/ODA driver is an extension of the open source Business Intelligence and Reporting
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Step 2: Create a Project and a Report

To use BIRT we need to create a BIRT Report project in Eclipse: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Business Intelligence and Reporting Tools > Report Project and click Next: Enter a project name and click Finish: Now we can create a first report in
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Step 6: Design a BIRT Report Table

In this final step we will add a simple table to the report: Open the [Insert Table] dialog box by dragging a Table from the [Palette] window and dropping it on the report design (.rptdesign) layout ... to see the table with the real data: You can run the report by right clicking the report node in the [Navigator] window and selecting Report > Run Report:
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Step 5: Design a BIRT Report Chart

In this step we will add a simple chart to the report: Open the [New Chart] dialog box by dragging a Chart from the [Palette] window and dropping it on the report design (.rptdesign) layout. In ... , etc.: Click Finish to add the chart to the report page: You may click Preview now to see the chart
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General JPA Tutorials

All about General JPA Tutorials in Java/JPA database - explanations, examples, references, links and related information.
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Step 1: Install BIRT and ObjectDB Driver

to the ObjectDB server version when using client-server mode. The next step is creating a BIRT Report project.

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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