Using the index provided below explain, step-by-step, how the Key 12987 would be found using the indexed

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Using the index provided below explain, step-by-step, how the Key 12987 would be found using the indexed sequential access method. Once a surface on a cylinder is located, what is the average number of records that must be searched?

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Information Technology Auditing

ISBN: 978-1133949886

4th edition

Authors: James A. Hall

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Question Posted: Nov 23, 2015 04:54 AM

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Using the index provided below explain, step-by-step, how the Key 12987 would be found using the indexed

Question:

SURFACE INDEX CYLINDER CYLINDER INDEX Key Range Number Cvlinder Key Range 12,250o 12,500 1 12,750 2 13,000 3 13,250 4 13,500 5 14,750 6 15,000 7 Surface Number 2,000 44 4,000 45 6,000 46 8,000 47 10,000 48 12,000 49 14,000 50 16,000 51 18,000 52 20,000 53

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The access method goes first to the overall file index and determines that reco...View the full answer

Information Technology Auditing

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