Data Mining - 1

Data Mining - 1

University

10 Qs

quiz-placeholder

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Data Mining - 1

Data Mining - 1

Assessment

Quiz

Computers, Other

University

Practice Problem

Hard

Created by

Rajni Khyriem

Used 105+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A relational database is a ______

A. collection of tables

B. set of software programs

c. Both A and B

None

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An entity-relationship (ER) data model, is often constructed for __________

data mining

relational databases

database management system

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A data warehouse is usually modeled by a multidimensional data structure. This data structure is called ________

multidimensional schema

data cubes

data cells

all of the above

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In a transactional database, EVERY transaction includes a transaction identity number.

True

False

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these are types of advanced databases?

Time-series databases

Text databases

Object-relational databases

All of the above

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_________ stores relational data that include time-related attributes.

temporal database

sequence database

time series database

all of the above

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_________ stores sequences of values or events obtained over repeated measurements of time.

temporal database

sequence database

time series database

all of the above

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