Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Is it still necessary to back up an Oracle
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- Databases may be configured to only utilize the outer tracks of magnetic disks, leaving the inside tracks empty. It's referred to as a "hot-spot" strategy. The advantages take time to become clear.arrow_forwardIs it the Database Administrator's or the Server Administrator's obligation to do backups?arrow_forwardConsider 1, 2, 3, 4, 1, 2, 5, 1, 2 and apply FIFO page replacement algorithm with frames-3. What is the total number of page faults? A.None B.03 C.07 D.09arrow_forward
- Some databases use magnetic disks in a way that only sectors in outer tracks are used, while sectors in inner tracks are left unused. What might be the benefits of doing so?arrow_forwardTo what end does it make more sense to store passwords in a hashed file as opposed to an encrypted database?arrow_forward
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