Source Code : Materialize binary data onto client

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Materialize binary data onto client

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

import javax.swing.JPanel;

public class DemoDisplayBlobFromDatabase extends JPanel {
  public static Connection getConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
    String username = "name";
    String password = "password";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String args[]) throws Exception {
    Connection conn = null;
    ResultSet rs = null;
    PreparedStatement pstmt = null;
    String query = "SELECT blob_column FROM blob_table WHERE id = ?";

    try {
      conn = getConnection();
      pstmt = conn.prepareStatement(query);
      pstmt.setString(1, "0001");
      rs = pstmt.executeQuery();
      rs.next();
      // materialize binary data onto client
      java.sql.Blob blob = rs.getBlob(1);
    } finally {
      rs.close();
      pstmt.close();
      conn.close();
    }
  }
}

           
         
  

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