The DBMS does not guarantee that the semantic meaning of the transaction truly represents the real-world event. What are the possible consequences of that limitation? Give an example.
Answer to relevant QuestionsList and discuss the five transaction properties. Why might a page-level lock be preferred over a field-level lock?What are some disadvantages of time-stamping methods for concurrency control?Assuming that pessimistic locking with the two-phase locking protocol is being used create a chronological list of the locking, unlocking, and data manipulation activities that would occur during the complete processing of ...What database statistics measurements are typical of tables, indexes, and resources?
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