Re: Insert picture in MySQL using JDBC

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <>
Wed, 01 Aug 2007 19:41:15 -0400
reexana wrote:

I'm working on a project using Netbeans IDE 5.5 with Visual Web Pack
and MySQL as its database.

The project is about displaying the information about an item selected
by a user from a drop-down list.

I managed to display the information in the database when a user
selected the keyword but don't know how to store picture in the
database and retrieve it to display to the user along with the

I tried to use BLOB, but it didn't work out. Maybe, I did the wrong

BLOB should work for pictures.

Attached below is a small demo program that stores and
retrieves a picture in a BLOB field in MySQL.


import java.sql.*;

public class BlobTest {
    public static void main(String[] args) throws Exception {
       byte[] b = new byte[(int)(new File("C:\\elogo.png")).length()];
       InputStream is = new FileInputStream("C:\\elogo.png");;
       Connection con =
DriverManager.getConnection("jdbc:mysql://localhost/Test", "", "");
       PreparedStatement ins = con.prepareStatement("INSERT INTO
BlobTest VALUES (?,?)");
       ins.setInt(1, 123);
       ins.setBytes(2, b);
       PreparedStatement sel = con.prepareStatement("SELECT Picture FROM
BlobTest WHERE ID=?");
       sel.setInt(1, 123);
       ResultSet rs = sel.executeQuery();;
       byte[] b2 = rs.getBytes(1);
       OutputStream os = new FileOutputStream("C:\\elogo2.png");

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