Read CLOBs data from database : Blob Binary Data JDBC « Database SQL JDBC « Java

Read CLOBs data from database


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

public class Main {
  private static String url = "jdbc:oracle:thin:@localhost:1521:javaDemo";

  private static String username = "java";

  private static String password = "welcome";

  public static void main(String[] args) throws Exception {
    Connection conn = DriverManager.getConnection(url, username, password);
    PreparedStatement stmt = conn.prepareStatement("SELECT name, description, data FROM documents ");
    ResultSet resultSet = stmt.executeQuery();
    while ( {
      String name = resultSet.getString(1);
      String description = resultSet.getString(2);
      File data = new File("C:\\a.txt");
      Reader reader = resultSet.getCharacterStream(3);
      FileWriter writer = new FileWriter(data);
      char[] buffer = new char[1];
      while ( > 0) {


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