Viewing and Switching Connections : Java DB Derby « Database « Java Tutorial






Show Connections command lists the active connections established with JavaDB.

You can then use the Set connection command to switch to a different connection.

To view and switch between connections:

show connections;

The asterisk that appears next to a connection name indicates that this is the current connection.

Switch to the Connection0 connection by executing the following command:

set connection Connection0;








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