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How to store/retrieve image to/from SQLServer E-mail
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jTDS is an open source JDBC 3.0 driver for Microsoft SQL Server (6.5, 7, 2000 and 2005). Place jar file into your application classpath. java.sql package along with above driver helps in storing binary data into Microsoft SQL Server database.

The example below shows how to store and read the image data from SQL server.

import java.sql.*;
import java.io.*;

public class saveImage 
{
        public static void main(String[] args
        {
                DB db = new DB();
                Connection conn=db.dbConnect(
                  "jdbc:jtds:sqlserver://localhost:1433/test","sa","");
                db.insertImage(conn,"d://filepath//test.JPG");
                db.getImageData(conn);
        }

}

class DB
{
        public DB() {}

        public Connection dbConnect(String db_connect_string,
           String db_userid, String db_password)
        {
                try
                {
                        Class.forName("net.sourceforge.jtds.jdbc.Driver");
                        Connection conn = DriverManager.getConnection(
                          db_connect_string, db_userid, db_password);

                        System.out.println("connected");
                        return conn;
                        
                }
                catch (Exception e)
                {
                        e.printStackTrace();
                        return null;
                }
        }

        public void insertImage(Connection conn,String img)
        {
                int len;
                String query;
                PreparedStatement pstmt;
                
                try
                {
                        File file = new File(img);
                        FileInputStream fis = new FileInputStream(file);
                        len = (int)file.length();

                        query = ("insert into TableImage VALUES(?,?,?)");
                        pstmt = conn.prepareStatement(query);
                        pstmt.setString(1,file.getName());
                        pstmt.setInt(2, len);
  
                        // Method used to insert a stream of bytes
                        pstmt.setBinaryStream(3, fis, len)
                        pstmt.executeUpdate();

                }
                catch (Exception e)
                {
                        e.printStackTrace();
                }
        }

        public void getImageData(Connection conn)
        {
                
                 byte[] fileBytes;
                 String query;
                 try
                 {
                         query = "select data from tableimage";
                         Statement state = conn.createStatement();
                         ResultSet rs = state.executeQuery(query);
                         if (rs.next())
                        {
                                  fileBytes = rs.getBytes(1);
                                  OutputStream targetFile=  
                                  new FileOutputStream(
                                       "d://filepath//new.JPG");

                                  targetFile.write(fileBytes);
                                  targetFile.close();
                        }        
                        
                 }
                 catch (Exception e)
                 {
                         e.printStackTrace();
                 }
        }
};


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