1. In indexed file allocation method, assuming that the block can only store 8 pointers as shown in the figure (see attached file) , what happens if the file needs 10 pointers? Give the advantages and disadvantages of this method.2. What could be the advantage/s and disadvantage/s of using the following free space management schemes:a. Groupingb. Counting Indexed Allocation with Block Portionsdirectory1 Each file has its own index block(s)index blockfileThe index block contains pointers20 30jeep19to the file's data blocks50 60 70The index block is also stored in a910110disk block1612013014D101Need additional index blocks for10167 18 19|19long files25-1202102223[24 2526 27O28 2930310

File Allocation Methods: An allocation method is to tell how the disk blocks are allocated for a…

Answered: 1. In indexed file allocation method,…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. In indexed file allocation method, assuming that the block can only store 8 pointers as shown in the figure (see attached file) , what happens if the file needs 10 pointers? Give the advantages and disadvantages of this method.

2. What could be the advantage/s and disadvantage/s of using the following free space management schemes:

a. Grouping

b. Counting

Indexed Allocation with Block Portions
directory
1 Each file has its own index block(s)
index block
file
The index block contains pointers
20 30
jeep
19
to the file's data blocks
50 60 70
The index block is also stored in a
910110
disk block
16
12013014D10
1
Need additional index blocks for
10
167 18 19|
19
long files
25
-1
202102223[
24 2526 27O
28 2930310

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