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(a) Explain the three types of potential mistake which could occur if concurrency control is not properly enforced in the database system. Support your answer with appropriate example for each.
(b) Explain the data access protocol based on the compatibility matrix.
(c) Describe "deadlock" and give an example.
(d) Describe how a deadlock state can be detected and how the system can break such a state.
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Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
What benefits can a company gain by managing its own information infrastructure and servicea
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Which component is not included in database environment ? A users component is not included in database environment.
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
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assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Scenario 1: Power goes out after the first instruction. What happens?
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