JavaDB Tools : Java DB Derby « Database « Java Tutorial






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  2. Database
  3. Java DB Derby

Java SE 6 contains various tools that you can use to start, stop, access, and administer JavaDB.

Some of the JavaDB tools are:

  1. server: Starts the JavaDB database.
  2. ij Represents a JDBC scripting tool.
  3. You can use ij to run scripts against a JavaDB database.
  4. You can also use ij to run SQL queries.
  5. You can use ij to access JavaDB running in both the embedded and client/server environments.
  6. sysinfo: Displays information about the JavaDB version and the environment.
  7. dblook: Generates and stores the Data Definition Language (DDL) to a file.
  8. In Java SE 6, the server, ij, sysinfo, and dblook tools are packaged in the derbyrun.jar file.
  9. You can locate the derbyrun.jar file in the /db/lib directory.








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