Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
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);

        // create some binary data
        String myData = "some string data ...";
        byte[] binaryData = myData.getBytes();

        // set value for the prepared statement
        pstmt.setBytes(1, binaryData);

        // insert the data
        pstmt.executeUpdate();

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

        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", "");
    }
}