JDBC Teradata接收器:如何插入空值

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class TeradataInsertExample {
    public static void main(String[] args) {
        String url = "jdbc:teradata://hostname/database";
        String username = "your_username";
        String password = "your_password";
        
        String tableName = "your_table";
        String columnName = "your_column";
        
        try (Connection connection = DriverManager.getConnection(url, username, password)) {
            String insertQuery = "INSERT INTO " + tableName + " (" + columnName + ") VALUES (?)";
            PreparedStatement statement = connection.prepareStatement(insertQuery);
            statement.setNull(1, java.sql.Types.NULL);
            int rowsInserted = statement.executeUpdate();
            System.out.println(rowsInserted + " row(s) inserted.");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}