Move cursor to the beginning, before the first row : ResultSet Scrollable « Database SQL JDBC « Java

1. Java
2. Database SQL JDBC
3. ResultSet Scrollable

Move cursor to the beginning, before the first row

  

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

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);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
        ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    // Move cursor forward
    while (resultSet.next()) {
      // Get data at cursor
      String s = resultSet.getString(1);
    }

    // Move cursor backward
    while (resultSet.previous()) {
      // Get data at cursor
      String s = resultSet.getString(1);
    }

    // Move cursor to the beginning, before the first row.
    // cursor position is 0.
    resultSet.beforeFirst();
  }
}

   
    
  

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