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

Fundamentals of Information Systems
8th Edition
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter3: Database Systems And Applications
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Problem 9SAT: _______________ is a special purpose programming language for accessing and manipulating data stored...
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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
Transcribed Image Text: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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