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DBMS Korth Edition 4 Exercise 16 Question 15 (Page No. 634)

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akash.dinkar12 asked Apr 1, 2019
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DBMS Korth Edition 4 Exercise 16 Question 18 (Page No. 634)
Use of multiple-granularity locking may require more or fewer locks than an equivalent system with a single lock granularity. Provide examples of both situations, and compare the relative amount of concurrency allowed.
Use of multiple-granularity locking may require more or fewer locks than an equivalent system with a single lock granularity. Provide examples of both situations, and com...
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akash.dinkar12 asked Apr 1, 2019
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DBMS Korth Edition 4 Exercise 16 Question 17 (Page No. 634)
Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no use. Why is it useless ?
Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no use. Why is it useless ?
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akash.dinkar12 asked Apr 1, 2019
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DBMS Korth Edition 4 Exercise 16 Question 16 (Page No. 634)
In multiple-granularity locking, what is the difference between implicit and explicit locking ?
In multiple-granularity locking, what is the difference between implicit and explicit locking ?
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