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It is very important in HIS (Hospital Information System) to maintain the consistency and integrity of information. A transaction is a group of actions that must all be carried out successfully on one or more tables in a database before they are committed (made permanent). If any of the actions in the group fails, then all actions are rolled back (undone). In this paper, how to use transactions in...
Alice, owner of a k-anonymous database, needs to determine whether her database, when inserted with a tuple owned by Bob, is still k-anonymous. Suppose that Bob is not allowed to access to the database because of data confidentiality and that Alice is not allowed to read Bob's tuple due to Bob's privacy concern. Under these assumptions, this paper proposes two protocols to check whether the database...
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