Using the Schema - data/statistics ,Can following queries be executed on above relations or not.If not then justify with reason. 1) (Select ID, I_Name from items where I_Name like ‘%a%’) Union (Select Name,CID from Customer) 2)(Select * from items where Price > 20) Intersect (Select * from Customer) 3)Select * from Customer inner join Sales where City=’Lahore’ and Customer.CID=Sales.CID 4) Select distinct Name, City from Customer 5) Insert into Sales values (3,’2016-2-12’,4)
Using the Schema - data/statistics ,Can following queries be executed on above relations or not.If not then justify with reason. 1) (Select ID, I_Name from items where I_Name like ‘%a%’) Union (Select Name,CID from Customer) 2)(Select * from items where Price > 20) Intersect (Select * from Customer) 3)Select * from Customer inner join Sales where City=’Lahore’ and Customer.CID=Sales.CID 4) Select distinct Name, City from Customer 5) Insert into Sales values (3,’2016-2-12’,4)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Using the Schema - data/statistics ,Can following queries be executed on above relations or not.If not then justify with reason.
1) (Select ID, I_Name from items where I_Name like ‘%a%’) Union (Select Name,CID from Customer)
2)(Select * from items where Price > 20) Intersect (Select * from Customer)
3)Select * from Customer inner join Sales where City=’Lahore’ and Customer.CID=Sales.CID 4) Select distinct Name, City from Customer
5) Insert into Sales values (3,’2016-2-12’,4)
Transcribed Image Text:Items
Sales
ID
_Name
Price
Supplier
SID
S_Date
CID
1
Ketchup
50
Block Factory
2012-5-23
2012-5-24
Unique
Manufacturer
S&S
2
Salt
40
4
2016-4-23
2016-2-12
4
Soap
30
6
2016-1-10
1
International
4
Toothpaste
33
Brothers
Enterprise
General
Sugar
20
Bill
Traders
6
Detergent
34
Alibaba
SID
ID
Express
1
3.
Customer
4
CID
Name
2
1
City
Lahore
Peshawar
Sahiwal
2
4
Aqib
Suleman
1
2
2
3
Nadeem
2
5
3
4
Peshawar
Peshawar
4
Sarim
Sohail
4
Nadir
Okara
4
2
Nasir
Peshawar
4
4
Kamal
Lahore
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