作者: Hong-Bing Zhang , Chaucer Chiu
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摘要: A system and method for expanding a database, after connecting to database website, client end may choose databases from the website pay selected database. Payment allows gain number of download installation times downloading installing An authentication code is then sent back website. When verified, returns an approval message end. After receives message, encrypted with code. Finally, able completely install on line. Thus, copyright securely protected.