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Dec 14th, 2017
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  1. package postgres;
  2.  
  3. import java.sql.Connection;
  4. import java.sql.DriverManager;
  5. import java.sql.ResultSet;
  6. import java.sql.ResultSetMetaData;
  7. import java.sql.Statement;
  8. import java.util.Properties;
  9.  
  10. public class Program {
  11. // 10.10.4.79
  12. public static void main(String[] args) {
  13. try {
  14. Class.forName("org.postgresql.Driver");
  15.  
  16. // LOCALHOST
  17. //String url = "jdbc:postgresql://localhost:5434/nuno";
  18. //Connection conn = DriverManager.getConnection(url);
  19.  
  20. String url = "jdbc:postgresql://10.10.4.79/myclients";
  21.  
  22. // /*
  23. Properties props = new Properties();
  24. props.setProperty("user", "Manuel Barata");
  25. props.setProperty("password", "xico57");
  26. Connection conn = DriverManager.getConnection(url,props);
  27. //*/
  28.  
  29.  
  30. Statement st = conn.createStatement();
  31.  
  32.  
  33. ResultSet rs = st.executeQuery("select * from cliente");
  34. ResultSetMetaData mtd = rs.getMetaData();
  35.  
  36. for(int i =1; i<= mtd.getColumnCount(); i++)
  37. System.out.print(mtd.getColumnName(i)+", ");
  38.  
  39. System.out.println();
  40.  
  41. while(rs.next()) {
  42. for(int i=1; i<=mtd.getColumnCount(); i++)
  43. System.out.print(rs.getString(i)+", ");
  44. System.out.println();
  45. }
  46. rs.close();
  47. }
  48. catch(Exception e)
  49. {
  50.  
  51. System.out.println(e.getMessage());
  52. }
  53. }
  54.  
  55.  
  56. }
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