The JavaDB Directory Structure : Java DB Derby « Database « Java Tutorial






  1. Java Tutorial
  2. Database
  3. Java DB Derby

When you install Java SE 6, JavaDB installs in the db directory of JAVA_HOME.

The db directory contains the following subdirectories:

  1. demo: Contains sample programs and scripts to use JavaDB.
  2. lib: Contains the JavaDB JAR files. You need to use the JavaDB JAR files to start, stop, and access JavaDB.
  3. frameworks: Contains scripts for setting up the environment to use JavaDB in different environments.








20.37.Java DB Derby
20.37.1.New to Java 6 is a lightweight database called Derby.
20.37.2.The JavaDB Directory Structure
20.37.3.The JavaDB Environments
20.37.4.JavaDB Drivers
20.37.5.JavaDB URLs
20.37.6.JavaDB Tools
20.37.7.You can use the server tool to start JavaDB in a network client environment.
20.37.8.Ping JavaDB.
20.37.9.To view run time information for JavaDB, you can use the following command:
20.37.10.To stop JavaDB, you can use the following command:
20.37.11.Using the ij Tool
20.37.12.You can use the connect command of ij to establish a connection with a database
20.37.13.Viewing and Switching Connections
20.37.14.Working with Tables
20.37.15.To view the structure of the Employee table
20.37.16.Using the sysinfo Tool
20.37.17.Connect to Java DB (Derby) with org.apache.derby.jdbc.EmbeddedDriver
20.37.18.Connect to Derby database
20.37.19.The SQL script for creating the Employee Table