Describe the concept of a critical section and the use of mutexes in ensuring data integrity in multithreaded programs.
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Describe the concept of a critical section and the use of mutexes in ensuring data integrity in multithreaded
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- Explain the concept of lock-free and wait-free data structures in the context of multithreading. Provide examples of each.What is fragmentation in Computer science?A null bitmap is used in the variable-length record format to indicate if an attribute has a null value. In rare cases, the majority of a tuple's properties are null. To minimize the cost of a null property to only a single bit, it is possible to change how records are represented.
- How do data dictionaries play a role in role-based access control within a system?A null bitmap is used in the variable-length record format to indicate that an attribute has no value. In a few odd cases, the majority of a tuple's properties are null. It is possible to minimise the cost of a null attribute to a single bit by modifying the way records are represented.Describe the best practices for handling complex data structures and nested objects during the serialization and deserialization process. Provide examples of when this might be necessary in a software application.