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Lecture
Disk Storage & Indexing
Description
This lecture covers the anatomy of a disk, disk access times, seeking in modern disks, disk space management, RAID, flash disks, buffer management in a DBMS, buffer replacement policies, and tree-structured indexing techniques like B+ Trees. It emphasizes the importance of arranging data sequentially on disk to minimize seek and rotation delays, as well as the impact of buffer management policies on I/O performance.
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