Use PreparedStatement.setBytes() : Preparedstatement « Database « Java Tutorial

1. Java Tutorial
2. Database
3. Preparedstatement

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

public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement stmt = conn.createStatement();

    stmt.executeUpdate("create table survey (id int, name BINARY);");

    String sql = "INSERT INTO survey (name) VALUES(?)";
    PreparedStatement pstmt = conn.prepareStatement(sql);

    pstmt.setBytes(1, "asdfasdf".getBytes());
    pstmt.executeUpdate();

    ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
    while (rs.next()) {
      System.out.println(rs.getBytes(2));
    }

    rs.close();
    stmt.close();
    conn.close();
  }

  private static Connection getConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    String url = "jdbc:hsqldb:mem:data/tutorial";

    return DriverManager.getConnection(url, "sa", "");
  }
}