1) the selection operator sc where C is the condition "quantity >20" 2) the projection of P1,3

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
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Given the following graph - Answer the questions

1) the selection operator sc where C is the condition "quantity >20"

2) the projection of P1,3 

model
Galaxy S10
iPhone 11
Moto G7
manufacturer
Samsung
Apple
Motorola
quantit price
y
25
17
21
$900
$1150
$600
Transcribed Image Text:model Galaxy S10 iPhone 11 Moto G7 manufacturer Samsung Apple Motorola quantit price y 25 17 21 $900 $1150 $600
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