Using the Schema - data/statistics. Transform following SQL queries intoRelational Algebraic queries.ItemsSalesID|_NamePriceSupplierS DateSID1CIDKetchup50Block Factory2012-5-2312012-5-242016-4-232016-2-122016-1-10222Salt40UniqueManufacturerS&s45364Soap301International4Toothpaste33BrothersEnterpriseGeneralSugar20BillTraders6Detergent34AlibabaSID1ID1Express1231Customer4CIDNameCity1AqibLahore22.SulemanPeshawar233NadeemSahiwal2PeshawarPeshawarOkaraPeshawar434SarimSohail436.Nadir42Nasir448.KamalLahorea) Select * from Items i, Bill b, Sales s, Customer c where c.City='Peshawar'b) Select c.Name from Customer c inner join Sales s on s.CID=c.CID inner joinBill b on s.SID=b.SIDc) (Select * from Customer) Except (Select c.* from Customer c inner join Saless on c.CID=s.CIID)d) Select * from Customer where City='Sahiwal' or City='Peshawar'e) Select I_Name from Items I, Bill b where ID in(1,4,2)

Required : SQL query to relational algebra query Note : As per guidelines of company, we are…

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Using the Schema - data/statistics. Transform following SQL queries into Relational Algebraic queries.

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

Section: Chapter Questions

Problem 1PE

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Concept explainers

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.

Question

Using the Schema - data/statistics. Transform following SQL queries into
Relational Algebraic queries.
Items
Sales
ID
|_Name
Price
Supplier
S Date
SID
1
CID
Ketchup
50
Block Factory
2012-5-23
1
2012-5-24
2016-4-23
2016-2-12
2016-1-10
2
2
2
Salt
40
Unique
Manufacturer
S&s
4
5
3
6
4
Soap
30
1
International
4
Toothpaste
33
Brothers
Enterprise
General
Sugar
20
Bill
Traders
6
Detergent
34
Alibaba
SID
1
ID
1
Express
1
2
3
1
Customer
4
CID
Name
City
1
Aqib
Lahore
2
2.
Suleman
Peshawar
2
3
3
Nadeem
Sahiwal
2
Peshawar
Peshawar
Okara
Peshawar
4
3
4
Sarim
Sohail
4
3
6.
Nadir
4
2
Nasir
4
4
8.
Kamal
Lahore
a) Select * from Items i, Bill b, Sales s, Customer c where c.City='Peshawar'
b) Select c.Name from Customer c inner join Sales s on s.CID=c.CID inner join
Bill b on s.SID=b.SID
c) (Select * from Customer) Except (Select c.* from Customer c inner join Sales
s on c.CID=s.CIID)
d) Select * from Customer where City='Sahiwal' or City='Peshawar'
e) Select I_Name from Items I, Bill b where ID in(1,4,2)

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