Answered: Implement the DBS Share Price Index…

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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Question

Implement the DBS Share Price Index System in Python as per Figure 2 below which allows users to
add, delete, update and lookup Share Prices. The System should store the Company Name and Share
Price. Your program should not allow users to add the same company more than once. On adding,
deleting, updating or looking up a Share Price, your program should let the user know if the
operation was successful or not. On looking up a Share Price return the Company Name and Share
Price of the company; if the company is not found give the user the option to add the details they
are looking up. The user can perform multiple actions; they can add a new entry and subsequently
delete an entry without having to stop and start the program until they decide to quit

1: Add New_Entry
2 : Delete Entry
3 : Update Share Price
4.: Lookup Share Price
5: QUIT
Enter Company Name GENERAL MOTORS
Enter Share Price 25.67
Share Price Index updated successfully!
PLEASE SELECT AN OPTION BETWEEN 1 AND 5
2
Enter Company Name GENERAL MOTORS
Share Price Index updated successfully!
PLEASE SELECT AN OPTION BETWEEN 1 AND 5

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