Hi All -- Its been long time i have been here and problems brings me here when my mind is blocked. I am trying to convert JAVA script which deals with generating URL for amazon web services to PLSQL https://forums.oracle.com/forums/messageview.jspa?messageID=10598064&stqc=true I have posted much of information to forum. Any help or suggestions in doing it better way would be greatly appreciated. Thanks, Vamshi .D -- //www.freelists.org/webpage/oracle-l