Question 1 A highly organized collection of data is a database management system

Q: Question 1 A highly organized collection of data is a database management system

1) true 2) false 3) false(modality is minimum number of occurences involved in a relationship) 4) true 5) true 6) false 7) false 8) true 9) true 10) true 11) b 12) c 13) c 14) c 15) c 16) c 17) f 18) c 19) b 20) b 21) d 22) a 23) c 24) d 25)a property of data which, when satisfied, requires every value of one attribute (column) of a relation (table) to exist as a value of another attribute in a different (or the same) relation (table).

ID: 645296 • Letter: Q

Question

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:

MY SQL Workbench

Database Management Software

MS Word

MS Excel

Question 12

A unique identifier of an entity is ____

Relationship

Cardinality

Attribute

Binary

Question 13

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

Cardinality

Modality

Associative entity

Intersection data

Question 14

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

Binary

Tertiary

Unary

Secondary

Question 15

How many entity types are involved in a tertiary relationship?

Question 16

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

Relationship Identification

Data Association

Data Analysis

Data modeling

Question 17

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

Restrict

Cascade

Set-to-null

Read

All of the above

A, B, and C

Question 18

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

Physical Database design

Database structuring

Logical Database design

Relationship mapping

Question 19

Each row of a database is known as a ______

File

Field

Entity

Record

Question 20

An entity

MY SQL Workbench

Database Management Software

MS Word

MS Excel

Explanation / Answer

1) true

2) false

3) false(modality is minimum number of occurences involved in a relationship)

4) true

5) true

6) false

7) false

8) true

9) true

10) true

11) b

12) c

13) c

14) c

15) c

16) c

17) f

18) c

19) b

20) b

21) d

22) a

23) c

24) d

25)a property of data which, when satisfied, requires every value of one attribute (column) of a relation (table) to exist as a value of another attribute in a different (or the same) relation (table).

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Question 1 A highly organized collection of data is a database management system

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