Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 14, Problem 5RQ
Explanation of Solution
Stream Processing:
Stream processing is a technology that lets users query continuous data stream and detect conditions within small time period after receiving the data.
- The decision is made to know which data should be stored and which should be discarded.
- In some situations, large volumes of data enter the system, but it is not feasible to store all of the data.
- So as soon as the data enters the system, it should be processed and filtered to detect which data to keep and which data to discard.
Needs of Stream Processing:
- The main reason why the stream processing is needed is because it is a technology that is capable of providing insights faster, often within milliseconds to seconds...
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(c) Consider the following set of processes:
Process ID
Arrival Time Priority
Burst Time
A
2
3
100
B
6
C
10
1 (highest)
2
40
80
D
16
4 (lowest)
20
(3c) In the following resource allocation graph, is the state a deadlocked one? If so
which ones are deadlocked? (3 points)
Resource allocation graph. R₁ = Resource, P = process.
R1
R3
R3
7
Chapter 14 Solutions
Database Systems: Design, Implementation, & Management
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