ObjectDB Database Search

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Getting Started

All about Getting Started in Java/JPA database - explanations, examples, references, links and related information.

Getting Started with JPA - NetBeans Project

To open and run the  Quick Start with JPA tutorial project in NetBeans: Download and extract the project zip file: Getting Started with JPA - Maven Project (3KB) Open the Maven project in NetBeans: Select File Open Project... . Select the points-console directory and click Open Project . Run

Getting Started with JPA - IntelliJ Project

To open and run the  Quick Start with JPA tutorial project in IntelliJ IDEA: Download and extract the project zip file: Getting Started with JPA - Maven Project (3KB) Open the project in IntelliJ IDEA: Select File Open Project... . Select the points-console directory and click Open Project

Getting Started with JPA and Eclipse

This is the Eclipse version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in Eclipse. The demonstrated application uses JPA to store and retrieve simple Point entities, where each Point has two persistent fields: x and y

JPA Class Enhancer

.* ... ... Complete ObjectDB Maven projects are available for download on the Tutorial pages: Quick Start ... can be started as follows: $ java -javaagent:c:\objectdb\bin\objectdb.jar MyApplication If the JVM runs

Getting Started with JPA - Maven Project

The Getting Started with JPA tutorial provides step by step instructions on how to build a simple JPA database driven application in Eclipse or NetBeans . Building a new application step by step ... application as a Maven project:      Getting Started with JPA - Maven Project (3KB

Getting Started with JPA

to start by running a live sample application in your IDE, you should be able to follow

starting objectdb as a service in linux

Hi, how to start objectdb as a service from linux command line. Every time i close the terminal (putty) servers stops. Running it with the & parameter dont help. we are starting the database with this command ./server.sh start Thanks peric.emil Emil Perić How do you start the server, with the run

Start ObjectDB inside java code.

both run on the same machine and more than one client can be started , they all need access ... seem to find a way to automatically start the server mode, and i can't really expect the player to manually start the server, and I still need a way to do so. Is it my architecture that cause problem or

Activation key causes database to not start

. We get an error when trying to start ObjectDB after adding activation in objectdb.conf. We initially ... . We still cannot start ObjectDB if we add the activation key in objectdb.conf. This is the ObjectDB log we get when trying to start ObjectDB with the license. What is to be done? Thank you. :) [ObjectDB 2.6.5

Logging problem on attempt to start a Server that is already running

It seems that there is a bug in logging mechanism, if you try to start the database which is already started it starts filing the log continuously until it runs out of space on disk. How to check ... a recurring attempt to start the server, if the port is in use, until it becomes available. Build 2.5

ORDER BY problem, when String starts with language specific character

Dear all, I have a problem with ORDER BY clause. I have a simple query: select u from User u order by u.name When the name starts with "normal/english" character, records are ordered correctly. But when it starts with language specific character like 'Č', these records are placed after records

Starting Explorer programmatically

Hi wondering if it's possible to start Explorer from code. Reason: In cases where Gradle is used to manage the ObjectDb jar version, it would be useful to start the explorer from a Groovy script (or java program), to guarantee that it's using the same Gradle-managed objectdb jar version.  

How to start a objectdb server with new Daemon (without blocking the thread)??

I am planning to use objectdb+jetty on Google compute engine server for my next project. But it seemed starting the server will block my thread. Any instruction to avoid thread blocking?    taheta Taheta Woon Consider using embedded mode, which is faster, and does not require running

JPA Runtime Tuning & Configuration

provides a quick reference for applying these settings across different scopes. Setting Global

Strings in JPQL and Criteria Queries

') is evaluated to 5 . LOCATE - locating substrings The LOCATE(str, substr [, start ]) function searches for a substring in a string and returns the substring's starting position. For example: LOCATE ... found. The optional third argument specifies the position from which to start the search. LOWER

JPA Tutorials

The following tutorials demonstrate how to develop database driven applications using JPA and the ObjectDB ODBMS (Object Oriented Database Management System). Console JPA Tutorial The Quick Start tutorial demonstrates how to use ObjectDB and JPA in a console application: Quick Start with JPA

Setting and Tuning of JPA Queries

method specifies the starting point of the result window by defining how many results to skip from ... the page number ( starting from 0 for the first page), the following code retrieves the results

What's next?

This chapter introduced the basic principles of JPA with ObjectDB. For more details, see the other chapters in this manual. To start using ObjectDB immediately, follow one of the tutorials ... program. You can start your own ObjectDB/JPA projects by modifying this example program

Step 3: Create an ObjectDB Data Source

the database connection url: Download and save the points.odb  database file (from the Quick Start tutorial ). Specify an ObjectDB connection url - either embedded (e.g. c:\points.odb ) or client

Date field Index is corrupted due to time change

(AbstractButton.java:2341) The problem started happening without any obvious reason. I should mention ... ): We create a 1G DB file when the application starts for the fist time. The size of the DB file does not ... seconds. All other functions of the system continued as usual, however the DB started reporting

SELECT clause (JPQL / Criteria API)

(whose names start with 'I') use the euro as their currency. Therefore, the query result list contains

Database Replication and Clustering

root directory, $replication , which is located under the server's data root directory. To start

Auto Generated Values

. This means that if you want sequence numbers to start with 1 when using the TABLE strategy, you must specify initialValue=0 in the @TableGenerator  annotation.

ObjectDB - JPA Object Database for Java

- start writing more effective database code using Java classes and objects! Try an ObjectDB / JPA

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

Obtaining a JPA Database Connection

considers any string that starts with the objectdb: prefix or ends with .odb or .objectdb

JPA Query API

with createQuery As with most JPA operations, queries start with an EntityManager (represented as

virtual servers and one file

with this particular issue? support Support Thanks for quick respond Actually we rely on customer stories ... you for the quick reply, I have checked all the links to VMware's knowledgebase for matches ... still starts successfully then this is the wrong configuration file. Do you still see hard drive

jakarta.persistence.criteria.CriteriaBuilder

to be located from - expression for position at which to start search Returns: expression ... to be searched pattern - string to be located from - position at which to start search Returns ... starting at the specified position through to end of the string. First position is 1. Parameters: x

retrieval again and again started

retrieval again and again started

Application not starting after enhancement

Application not starting after enhancement

exception on start

exception on start

jakarta.persistence.criteria.CriteriaBuilder.substring(Expression,Expression)

extraction. Extracts a substring starting at the specified position through to end of the string. First position is 1. Parameters: x - string expression from - start position expression Returns

jakarta.persistence.criteria.CriteriaBuilder.substring(Expression,int)

extraction. Extracts a substring starting at the specified position through to end of the string. First position is 1. Parameters: x - string expression from - start position Returns: expression

jakarta.persistence.criteria.CriteriaBuilder.substring(Expression,Expression,Expression)

) Create an expression for substring extraction. Extracts a substring of given length starting at the specified position. First position is 1. Parameters: x - string expression from - start position

jakarta.persistence.criteria.CriteriaBuilder.substring(Expression,int,int)

an expression for substring extraction. Extracts a substring of given length starting at the specified position. First position is 1. Parameters: x - string expression from - start position len - length Returns

jakarta.persistence.Embedded

@AttributeOverrides({ @AttributeOverride(name = "startDate", column = @Column("EMP_ START

jakarta.persistence.EntityTransaction

JPA article explains how to use EntityTransaction . Public Instance Methods void begin () Start

Step 3: Add a Context Listener Class

if not existing yet) when the web application starts , by instantiating an EntityManagerFactory ... an application scope attribute in the servlet context - when the web application starts

Step 1: Create a Maven Web Project

We start by creating a new Maven-WTP dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using  File New Project... Select  Maven Maven Project and click  ... -plugin 6.1.10 10 foo 9999 start -jetty pre-integration-test run 0 true stop-jetty post-integration-test

Step 1: Create a Maven Web Project

We start by creating a new Maven web project in NetBeans: Open the [New Project] dialog box, e.g. by using File New Project... Select Maven Maven Web Application and click Next . Choose a Project ... ;               start -jetty    

combined index not used

combinations to 10000 solves this issue so a quick fix is possible for this specific issue ... and work, but in order to offer a quick solution ObjectDB 2.7.6_01 was now released ... query plans for these queries as a quick workaround. support Support To manually select a query plan

jakarta.persistence.EntityTransaction.begin()

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityTransaction void begin() Start a resource transaction. Throws: IllegalStateException - if EntityTransaction.isActive is true. Since: Jakarta Persistence (JPA) 1.0

Report Generation with BIRT and JPA

Started tutorial. The database file contains 1,000 Point entities, which represent points on the line y

Step 1: Create a Java Project

We start by creating a new NetBeans Project: Open the [New Project] dialog box, e.g. by using File New Project... Select Java Java Application and click Next . Choose a Project Name (e.g. Tutorial ). The name of the Main class should be tutorial.Main . Verify that exactly this case sensitive fully

Step 1: Create a Java EE 6 Web Project

We start by creating a new Java EE dynamic web project in Eclipse: Open the [New Project] dialog box, e.g. by using File New Project... Select Web Dynamic Web Project and click Next . Choose a Project Name (e.g. Guestbook ). Select GlassFish Server Open Source Edition 3 (Java EE 6) as the Target

Step 1: Install BIRT and ObjectDB Driver

We start by installing the BIRT development environment and the ObjectDB data source driver. Installing BIRT Choose one of the following options to install the BIRT development environment: Download and install the complete BIRT development environment , which is a special distribution

missing merger

-c6ea-467c-add8-38b53fb5d83e' 7/8 13860+485/14345 So apparently the best quick emergency solution ... special activity today at the time that these errors start please report.  We are using Java 17 ... that these errors start please report no it is completely random, we also have these errors: [2025-04-13 17:59:03

Use temporary files to enable very large transactions

your answers, it may be very difficult to provide a quick solution that can address your needs. Particularly ... ). However, if you are interested in a quick solution, we may be able to increase the current maximum from heap size ... ObjectDB classes. The count of byte arrays grows after flush and clear, although we start the GC