Demo Display Binary Data From Database : Blob Binary Data JDBC « Database SQL JDBC « Java

Demo Display Binary Data From Database

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

public class DemoDisplayBinaryDataFromDatabase {

  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";
    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 raw_column, long_raw_column FROM binary_table WHERE id = ?";
    try {
      conn = getConnection();
      Object[] results = new Object[2];
      pstmt = conn.prepareStatement(query);
      pstmt.setString(1, "0001");
      rs = pstmt.executeQuery();;
      // materialize binary data onto client
      results[0] = rs.getBytes("RAW_COLUMN");
      results[1] = rs.getBytes("LONG_RAW_COLUMN");
    } finally {


Related examples in the same category

1.Read BLOBs data from database
2.Store BLOBs data into database
3.Insert picture to MySQL
4.Materialize binary data onto client
5.Blob: JDBC deals with Binary Data
6.Inserting Image in Database Table
7.Blob and JDBC: Image
8.Blob: Image 2
9.Blob: image 3
10.Insert an Image
11.Retrieve an Image
12.Store and retrieve an object from a table
13.Read CLOBs data from database
14.Getting BLOB Data from a Database Table: how to retrieves bytes from a BLOB.
15.Store CLOBs data into database?
16.Getting and Inserting Binary Data into an Database Table