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- package datenbank2;
- import java.util.*;
- import java.sql.*;
- public class Datenbank2{
- //Von: Christian Berggold
- //Klasse: 12Bfi_18
- public static void main(String[] args)
- throws SQLException {
- Scanner sc = new Scanner(System.in);
- Scanner s = new Scanner(System.in);
- int eingabe;
- System.out.println("Bitte eine gueltige Zahl eingeben, um auf einer der Datenbanken zuzugreifen:\n"
- + "1 fuer Datenbank ,,Schulpersonal'' \n"
- + "2 fuer Datenbank ,,Notizen'' \n");
- eingabe = s.nextInt();
- if (eingabe == 1)
- {
- System.out.println("\nBitte eine gueltige Zahl eingeben:\n"
- + "1 fuer das Auslesen von Datensaetzen\n");
- eingabe = s.nextInt();
- try {
- Class.forName("com.mysql.jdbc.Driver").newInstance();
- Connection con = DriverManager.getConnection(
- "jdbc:mysql://localhost/schulpersonal","root","");
- con.setReadOnly(true);
- Statement stmt = con.createStatement();
- ResultSet rs = stmt.executeQuery("Select * from schulpersonal");
- while (rs.next())
- {
- System.out.println( + rs.getInt(1) + "\t" + rs.getString(2) + "\t\t" + rs.getString(3)
- + "\t\t" + rs.getString(4) + "\t\t" + rs.getString(5));
- }
- rs.close();
- stmt.close();
- con.close();
- }
- catch (ClassNotFoundException | IllegalAccessException | InstantiationException | SQLException e)
- { System.out.println("Fehler " + e);
- }
- }
- else if (eingabe == 2) {
- System.out.println("\nBitte eine gueltige Zahl eingeben:\n"
- + "1 fuer das Auslesen von Datensaetzen\n");
- eingabe = s.nextInt();
- try {
- Class.forName("com.mysql.jdbc.Driver").newInstance();
- Connection con = DriverManager.getConnection(
- "jdbc:mysql://localhost/notizen","root","");
- con.setReadOnly(true);
- Statement stmt = con.createStatement();
- ResultSet rs = stmt.executeQuery("Select * from notiz");
- while (rs.next())
- {
- System.out.println( + rs.getInt(1) + "\t" + rs.getString(2) + "\t\t" + rs.getString(3)
- + "\t\t" + rs.getString(4) + "\t\t" + rs.getString(5));
- }
- rs.close();
- stmt.close();
- con.close();
- }
- catch (ClassNotFoundException | IllegalAccessException | InstantiationException | SQLException e)
- { System.out.println("Fehler " + e);
- }
- }
- else if (eingabe != 1 || eingabe != 2) {
- System.out.println("Fehler");
- }
- }
- }
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