ISM- 3011 Info Systems in Organizations - Chapte r 5 - Part 2 1. Which of the fo

Question

ISM- 3011 Info Systems in Organizations - Chapter 5 - Part 2

1. Which of the following is NOT a purpose of a database management system (DBMS)?

A.

Establish relationships between tables.

B.

Port the data to the Internet.

C.

Enable the data to be backed up.

D.

Enable data to be added and modified.

E.

Create tables.

2. The three essential elements of the definition of a database are ________.

A.

fields; relationship among fields in tables; metadata

B.

tables; metadata; validation rules

C.

tables; relationship among rows in tables; metadata

D.

validation rules; data; tables

E.

tables; relationship among rows in tables; validation rules

3. With today's focus on Internet applications, it is far less necessary that database systems impose ________ restrictions on transaction processing.

A.

ELITE

B.

ACID

C.

ELAC

D.

EPIC

E.

AVID

4. Which of the following statements is correct?

A.

The user doesn't need to dedicate special time to reviewing the data model.

B.

If corrections are needed in the database structure, the requirements step is the best time to do this.

C.

A database is a model of how only managers view their business world.

D.

If the data model is incorrect, the database can still be used successfully.

E.

Do not proceed with database design unless the data model is accurate.

5. The designers of a database typically begin by developing a ________ in order to construct a logical representation of the database before it is implemented.

A.

3D representation

B.

data model

C.

network diagram

D.

line drawing

E.

process model

Explanation / Answer

1.B.Port the data to the Internet. dbms is used to create,insert,delete tha data in the dable

2.C tables; relationship among rows in tables; validation rules

3.B ACID

4.E Do not proceed with database design unless the data model is accurate

5.B data model

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