Courses Customer ID Bank No CUSTOMER Cust Name Cust Address CARD ACCOUNT Account ID Exp Date Card Type "'"D" DEBIT CARD Holds Card Type- d "C" CREDIT CARD Cur Bal ||| o MERCHANT Merch ID Merch Addr HH CHARGES Charge Date Charge Time Amount

Courses Customer ID Bank No CUSTOMER Cust Name Cust Address CARD ACCOUNT Account ID Exp Date Card Type "'"D" DEBIT CARD Holds Card Type- d "C" CREDIT CARD Cur Bal ||| o MERCHANT Merch ID Merch Addr HH CHARGES Charge Date Charge Time Amount

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

Windows

Windows is an operating system produced by Microsoft Corporation, initially released in the year 1985 and also known as Microsoft Windows. It has been written in JavaScript with visual basics, and C. Windows is the most popular operating system (OS) for personal computers across the globe. Since its inception, there has been a tough competition between Apple and Microsoft, yet one-third of the OS market share has been occupied by Windows. Although in recent years, Android has come up as another considerable competitor for these two organizations, which is leading the smartphone market, yet in desktops and laptops, Windows has the most number of customers.

Question

Write out a relational schema for the following ERD

Courses Customer ID
Bank No
CUSTOMER
Cust Name
Cust Address
CARD ACCOUNT
Account ID
Exp Date
Card Type
"D"
DEBIT CARD
Holds
Card Type-
d
"C"
CREDIT CARD
Cur Bal
HE
MERCHANT
Merch ID
Merch Addr
HH
CHARGES
Charge Date
Charge Time
Amount

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VIEW

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VIEW

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