import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public class Main {
static String url = "jdbc:oracle:thin:@localhost:1521:javaDemo";
static String username = "username";
static String password = "welcome";
public static void main(String[] args) throws Exception {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn = DriverManager.getConnection(url, username, password);
String sql = "SELECT name, description, image FROM pictures ";
PreparedStatement stmt = conn.prepareStatement(sql);
ResultSet resultSet = stmt.executeQuery();
while (resultSet.next()) {
String name = resultSet.getString(1);
String description = resultSet.getString(2);
File image = new File("D:\\java.gif");
FileOutputStream fos = new FileOutputStream(image);
byte[] buffer = new byte[1];
InputStream is = resultSet.getBinaryStream(3);
while (is.read(buffer) > 0) {
fos.write(buffer);
}
fos.close();
}
conn.close();
}
}