Connect to an Oracle database with JDBC

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

public class Main {

  public static void main(String[] args) throws Exception {
    Class.forName("oracle.jdbc.driver.OracleDriver");
    Connection conn = DriverManager.getConnection(
        "jdbc:oracle:thin:@//server.local:1521/prod", "scott", "tiger");
    conn.setAutoCommit(false);
    Statement stmt = conn.createStatement();
    ResultSet rset = stmt.executeQuery("select * from employee");
    while (rset.next()) {
      System.out.println(rset.getString(1));
    }
    stmt.close();
  }
}

   

By: Unknown On 4:46 AM

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Creating connection to the MySQL database

import java.sql.Connection;
import java.sql.DriverManager;

public class Main {
  public static void main(String[] argv) throws Exception {
    String driverName = "org.gjt.mm.mysql.Driver";
    Class.forName(driverName);

    String serverName = "localhost";
    String mydatabase = "mydatabase";
    String url = "jdbc:mysql :// " + serverName + "/" + mydatabase; 
                                                                    
    String username = "username";
    String password = "password";
    Connection connection = DriverManager.getConnection(url, username, password);
  }
}

By: Unknown On 4:45 AM

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Connecting to a SQLServer Database using the NetDirect JDBC driver

import java.sql.Connection;
import java.sql.DriverManager;

public class Main {
  public static void main(String[] argv) throws Exception {
    
    String driverName = "com.jnetdirect.jsql.JSQLDriver"; 
    Class.forName(driverName);
    
    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase; 
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
  }
}

By: Unknown On 4:44 AM

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