Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Exclusive and intention-shared (XIS) mode is completely ineffectual for multiple-granularity locking, notwithstanding the advantages of the SIX mode. So, why is it pointless?
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- For instance, a data structure for which there isn't an array- or link-based solution.Exists a technique for implementation that harms the structure?arrow_forwardThis inquiry pertains to the implementation of z buffering in the context of OpenGL using the GLUT library?arrow_forwardConsider a database for an airline that employs "snapshot isolation" as an example. Non-serializable executions may be acceptable if the overall performance of the airline is improved.arrow_forward
- Consider starting with a database that an airline uses that implements "snapshot isolation" as an initial data set for this illustration. What if a non-serializable execution improved the airline's performance in the aggregate instead of increasing it?arrow_forwardSort the generic definitions from the primary key-based definitions of 2NF and 3NF. Give a specific example to support the assertions you make in your argument.arrow_forwardTake a "snapshot isolation" as an example for a database used by an airline. Is the decision to go with a method that cannot be serialized justified in the event that airlines manage to improve their overall performance?arrow_forward
- 5. Implement DeleteItem as specified in (d) using anarray-based implementation.6. Implement DeleteItem as specified in (d) using alinked implementation.arrow_forward5. In the last chapter, we discussed deadlocks. Describe, in your own words, whymutual exclusion is necessary to proactively manage deadlocks in multiprocessing systemsarrow_forward
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