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The project of distributed system

The project of distributed system. My hotel web page. Database. Data base. user-users can sign in or login this website and make orders. order-order table include userid and roomid. it can give the basic information for users who make this order and all managers to manage it.

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The project of distributed system

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  1. The project of distributed system My hotel web page

  2. Database

  3. Database • user-users can sign in or login this website and make orders. • order-order table include userid and roomid. it can give the basic information for users who make this order and all managers to manage it. • room-room table can give the roomid, the type(the room have been ordered by someone or not.) ,the cost for living and some short discription. • manager-managers table have managerid used for managers in order to let them login as an administrater.

  4. The page for login • This is the page for users login:

  5. The page for users • This is the user`s page:

  6. Transaction: • Transaction processing is designed to maintain a database Integrity (typically a database or some modern filesystems) in a known, consistent state, by ensuring that interdependent operations on the system are either all completed successfully or all canceled successfully.[1] • [1]come from wikipedia.

  7. The code for transaction:

  8. The End • Thanks

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