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Describe, with examples, the types of problem that can occur in a multi-user environment when concurrent access to the database is allowed. Give full

Describe, with examples, the types of problem that can occur in a multi-user environment when concurrent 

Describe, with examples, the types of problem that can occur in a multi-user environment when concurrent access to the database is allowed. Give full details of a mechanism for concurrency control that can be used to ensure that the types of problem discussed in Question 4 (a) cannot occur. Show how the mechanism prevents the problems illustrated from occurring. Discuss how the concurrency control mechanism interacts with the transaction mechanism.

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In a multiuser environment where concurrent access to a database is allowed several problems related to data consistency integrity and isolation can occur These problems are often referred to as concu... blur-text-image

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