List the names of customers who are from the city of “Muscat”. List the details of customers who are not from “Nizwa”. List the names and addresses of customers having the numbers 101 or 103.
List the names of customers who are from the city of “Muscat”. List the details of customers who are not from “Nizwa”. List the names and addresses of customers having the numbers 101 or 103.
Chapter12: Subqueries And Merge Statements
Section: Chapter Questions
Problem 19MC
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Question
Consider the following Customers table and express in relational algebra each of the questions below:
Customers
customerNO
Name
Address
City
Zip
100
Salma Amri
Street freedom
Muscat
213
101
Ayman Zawamri
Street 11 September
Nizwa
210
102
Said Raafit
Street 13 October
Salalah
211
103
Salem Samri
Street Yasamine
Sur
205
List the names of customers who are from the city of “Muscat”.
List the details of customers who are not from “Nizwa”.
List the names and addresses of customers having the numbers 101 or 103.
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