A highly organized collection of data is a database management system. True or False

Question 1

A highly organized collection of data is a database management system.

True

False

Question 2

Financial data residing in a database is not a corporate resource.

True

False

Question 3

Modality is the maximum number of entity occurrences involved in a relationship.

True

False

Question 4

Unary relationships contain one entity type.

True

False

Question 5

In a database, if there is more than one candidate key one MUST be identified as a primary key.

True

False

Question 6

A concurrency problem is defined as multiple data sets stored in the database.

True

False

Question 7

The most significant problem with data redundancy in a database is data integrity.

True

False

Question 8

Data redundancy can result in requiring unnecessary storage space for the database.

True

False

Question 9

Many-many relationships should be converted to associative entities on an Entity-Relationship diagram.

True

False

Question 10

There are two modes of data access known as sequential and direct access.

True

False

Question 11

Data within a database is typically controlled and manipulated by:

A.

MY SQL Workbench

B.

Database Management Software

C.

MS Word

D.

MS Excel

Question 12

A unique identifier of an entity is ____

A.

Relationship

B.

Cardinality

C.

Attribute

D.

Binary

Question 13

In an M-M relationship, the combination of or the association between two entities is known as ____

A.

Cardinality

B.

Modality

C.

Associative entity

D.

Intersection data

Question 14

A ________ relationship associates occurrences of an entity type with other occurrences of the same entity type.

A.

Binary

B.

Tertiary

C.

Unary

D.

Secondary

Question 15

How many entity types are involved in a tertiary relationship?

A.

1

B.

2

C.

3

D.

4

Question 16

The means by which an analyst records, documents, and diagrams the business environment is known as ________.

A.

Relationship Identification

B.

Data Association

C.

Data Analysis

D.

Data modeling

Question 17

In a DBMS, Referential Integrity contains three rules which are:

A.

Restrict

B.

Cascade

C.

Set-to-null

D.

Read

E.

All of the above

F.

A, B, and C

Question 18

The process of arranging attributes of entities in a given business environment into database structures is known as:

A.

Physical Database design

B.

Database structuring

C.

Logical Database design

D.

Relationship mapping

Question 19

Each row of a database is known as a ______