public String readSQL() throws FileNotFoundException{
		String resultSql = "";
		System.out.println("[INFO]Begin to get SQL from ["+this.sqlFileName+"]");
		FileReader fr;
		try {
			String sql = "";
			fr = new FileReader(new File(sqlFolderPath+sqlFileName));
			BufferedReader br = new BufferedReader(fr);
			while((sql = br.readLine()) != null){
				if(sql.isEmpty()){
					continue;
				}else{
					resultSql +=sql + "\t";
				}
			}
			if(br != null && fr != null){
				br.close();
				fr.close();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}		
		return resultSql;
	}