Table of Contents
Chapter 11
Physical Data Storage Characteristics
Storage Structure for a Multiple Platter Disk
Disk Side View and Cross Section
Access Time for Magnetic Disk Secondary Storage
IBM 3380 Disk Format
3380 Block per Track Capacity
3380 Capacity Per Unit Using 8K Byte Blocks
Western Digital 6 Gig Drive
Western Digital 9.1 GB Drive SCSI
File Organization for Random Access
File Organization for Random Access Continued...
Winchester Disk Track Format
Index Structures
A Multilevel Index Structure
Index Levels versus File Size
An Example of the Indexed Sequential File Organization
Adding a Record to an Indexed-Sequential File
Overflow in Indexed Sequential File Structures
VSAM Using a Key-Sequence Data Set (KSDS) Structure
VSAM File Example Using Customer Numbers
VSAM Split Internal Example
A B-Tree Index Structure
Adding a Record to a B-Tree Index Structure that is Full
Splitting a Sequence Set in a B-Tree Index Structure
A Hashed File Structure (11 Buckets, 3 Slots/Bucket)
Handling Overflows in a Hashed File
A Linked List Structure
A Linked List Structure Connecting Two Tables
A Linked List Structure with Prior and Owner Pointers
Terms and Definitions
Terms Continued...
Terms Continued...
Terms Continued...
Terms Continued...
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Author: Shaun Simpson
Email: simpsons@vancouver.wsu.edu
Home Page: http://www.vancouver.wsu.edu/fac/simpsons/mis372/index.html
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