ne record must exist in Table A before any records can be added to Table B. What it means ?Â A) Table A must contains a key representing table B B) Table B must contains a key representing table A C) Table A and table B are independent D All business processes are the most important activity in any firm. Thus, it is accomplished through digital networks. True False Information system can force a company to adapt a new business process. True False In a company, the CIO decided to implement a new feature in their application. This feature will help the company collect data about the customer preferences. What strategical goal will this feature help to achieve? Operational excellence. New products, services, and business model. Customer and supplier intimacy. Improved decision making. Competitive advantage. Survival. company can have one department do several functions. For example: the Sales department can do the Finance activities. True False Consider attributes ID, Employee_ID, and EmployeeNAME, EmployeeAge. Which one would be suitable as a primary key? EmployeeNAME ID Employee_ID EmployeeAg m not be able to delete a record from table B. What it mean? Table A must contain a key representing table B Table A and table B are independent Table B must contain a key representing another table What should a foreign key correspond? A lot of different values A null value unique value primary Intranets doesn't link different systems and networks within a firm True False Low-cost leadership strategy Enables new products or services, greatly change customer convenience and experience True False

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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One record must exist in Table A before any records can be added to Table B. What it means ?Â

		A) Table A must contains a key representing table B
		B) Table B must contains a key representing table A
		C) Table A and table B are independent
		D

All business processes are the most important activity in any firm. Thus, it is accomplished through digital networks.

True

False

Information system can force a company to adapt a new business process.

True

False

In a company, the CIO decided to implement a new feature in their application. This feature will help the company collect data about the customer preferences. What strategical goal will this feature help to achieve?

		Operational excellence.
		New products, services, and business model.
		Customer and supplier intimacy.
		Improved decision making.
		Competitive advantage.
		Survival.

company can have one department do several functions. For example: the Sales department can do the Finance activities.

True

False

Consider attributes ID, Employee_ID, and EmployeeNAME, EmployeeAge. Which one would be suitable as a primary key?

		EmployeeNAME
		ID
		Employee_ID
		EmployeeAg

m not be able to delete a record from table B. What it mean?

		Table A must contain a key representing table B
		Table A and table B are independent
		Table B must contain a key representing another table

What should a foreign key correspond?

		A lot of different values
		A null value
		unique value
		primary

Intranets doesn't link different systems and networks within a firm

True

False

Low-cost leadership strategy Enables new products or services, greatly change customer convenience and experience

True

False

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