Connect to Java DB (Derby) with org.apache.derby.jdbc.EmbeddedDriver : Java DB Derby « Database « Java Tutorial






import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

public class JavaDBDemo {
  static Connection conn;

  public static void main(String[] args) {
    String driver = "org.apache.derby.jdbc.EmbeddedDriver";
    String connectionURL = "jdbc:derby:myDatabase;create=true";
    String createString = "CREATE TABLE Employee (NAME VARCHAR(32) NOT NULL, ADDRESS VARCHAR(50) NOT NULL)";
    try {
      Class.forName(driver);
    } catch (java.lang.ClassNotFoundException e) {
      e.printStackTrace();
    }
    try {
      conn = DriverManager.getConnection(connectionURL);
      Statement stmt = conn.createStatement();
      stmt.executeUpdate(createString);

      PreparedStatement psInsert = conn.prepareStatement("insert into Employee values (?,?)");

      psInsert.setString(1, args[0]);
      psInsert.setString(2, args[1]);

      psInsert.executeUpdate();

      Statement stmt2 = conn.createStatement();
      ResultSet rs = stmt2.executeQuery("select * from Employee");
      int num = 0;
      while (rs.next()) {
        System.out.println(++num + ": Name: " + rs.getString(1) + "\n Address" + rs.getString(2));
      }
      rs.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}








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