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

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Java Tutorial » Database » Java DB Derby

20. 37. 13. Viewing and Switching Connections

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

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