About database

171-180 of 200Refresh
Tutorial
7

Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using ... simple as possible - we will use the basic points.odb ObjectDB database file from the Getting Started tutorial. The database file contains 1,000 Point entity objects, which represent points on the line y
Tutorial
7

Step 4: Add a Servlet Class

that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest ... on the database are carried on by the GuestDao session bean, which is instantiated and injected by
Manual
7

Auto Generated Values

number generator for every database. This number generator is used to generate automatic object IDs ... a primary key for every new entity object. These generated values are unique at the database level ... . To minimize round trips to the database server, IDs are allocated in groups. The number of IDs in each
Tutorial
7

Step 3: Create an ObjectDB Data Source

Connections to the database are represented in BIRT as data sources. To create an ObjectDB data ... data source types. Enter data source name (e.g. ObjectDB Points) and click Next. Specify the database connection url: Download and save the points.odb database file (from the Quick Start tutorial
Manual
7

Schema Update

databases as a complementary operation to renaming or moving these elements in the IDE during source code ... your database files before renaming or moving persistable classes and you must verify ... ObjectDB tries to apply the specified schema updates every time a database is opened. When using client
Result
7

ObjectDB License

of a maximum of 10 entity classes and one million entity objects per database file. This could be useful ... on which ObjectDB databases are managed, but using ObjectDB on client machines merely to access remote ObjectDB databases (for which licenses have been purchased) does not require additional separate licenses
Tutorial
7

Step 4: Run the Application [2016-07-12]

) When you run the application for the first time, a new ObjectDB database file is generated in ... the existing database file to store an additional 1,000 objects. You can view the content of the database file by opening it in the ObjectDB Explorer: This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual.
Tutorial
7

Step 4: Run the Application

) When you run the application for the first time, a new ObjectDB database file is generated in ... the existing database file to store an additional 1,000 objects. You can view the content of the database file by opening it in the ObjectDB Explorer: This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual.
Tutorial
6

Step 7: Run the Spring Web App

without specifying a Java agent. Since we are using ObjectDB in embedded mode - the database file is created under the Tomcat directory. You can stop the Tomcat server and open the database file in ObjectDB
Tutorial
6

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window ... ("(%d, %d)", this.x, this.y); } } The new class should represent Point objects in the database