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Getting com.objectdb.o.UserException:

the default configuration file. I am getting the follwing error when I launch the application ... ) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3404) at org.apache ... .startup.HostConfig.start(HostConfig.java:389) at org.apache.catalina.startup.HostConfig

What's next?

this chapter: Getting Started with JPA and Eclipse Tutorial Getting Started with JPA and NetBeans Tutorial These tutorials explain how to run the sample program. You can easily start your own ObjectDB ... reading the other chapters of this manual. If you prefer to get started with ObjectDB right away

Chapter 1 - Quick Tour

your IDE refer to one of the following tutorials: Getting Started with JPA and Eclipse Tutorial Getting Started with JPA and NetBeans Tutorial These tutorials provide step by step instructions on how to start using JPA in your IDE with the ObjectDB object database. Given the simplicity of ObjectDB, that should be quick and easy even for a novice.

Strings in JPQL and Criteria Queries

('China') is evaluated to 5. LOCATE - Locating Substrings The LOCATE(str, substr [, start]) function ... (when present) specifies from which position to start the search. LOWER and UPPER - Changing String Case ... - Getting a Portion of a String The SUBSTRING(str, pos [, length]) function returns a substring

ObjectDB Object Database Features

downloadable tutorials for Eclipse, NetBeans, IntelliJ and Maven. Getting Started Tutorial (console). Web ... DataNucleus could start using ObjectDB immediately. SQL-like (but object based) query language - familiar ... icon. Can also be managed (started, restarted, stopped) from the command line. Class Enhancer Boosts

Database Connection using JPA

, bypassing the need for a persistence unit. Any string that starts with objectdb: or ends with .odb or ... = Persistence.createEntityManagerFactory("objectdb:myDbFile.tmp;drop"); Getting an empty clean ... (); } A transaction is started by a call to begin and ended by a call to either commit or rollback

ObjectDB - Object Database for Java (JPA/JDO)

. See for yourself how easy it is. Download ObjectDB and follow the Getting Stated Tutorial, and in minutes ... relational databases, JDBC, drivers, tables, records, ORM tools and mapping - start writing more effective

Where can I learn how to use ObjectDB?

The best source for learning ObjectDB is the ObjectDB Manual, which contains all the necessary information for using ObjectDB. The only required background is a good understanding of the Java language. Reading the manual and getting started with ObjectDB could be easier for developers with prior

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 simple as possible - we will use the basic points.odb ObjectDB database file from the Getting Started

[ODB1] Chapter 9 - ObjectDB Explorer

.exe) and a Unix shell script (explorer.sh) for starting the Explorer on those respective operating ... directory. Because this file is an executable jar, on most systems, you can double click on it to start the Explorer. You can also start the Explorer from the command line. For instance, if the installation

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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