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Information Management Midterms

Authored by Zandar Kuwabara

Computers

University

Used 3+ times

Information Management Midterms
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97 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relational model based on?

Graph theory and boolean logic

Predicate logic and set theory

Probability and statistics

Algebra and geometry

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who introduced the relational model in 1970?

Edgar Dijkstra

E. F. Codd

Alan Turing

Charles Babbage

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does predicate logic provide?

A framework to verify assertions as true or false

A way to organize data into tables

A method for programming databases

A tool to convert data into different formats

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of predicate logic?

A table consisting of rows and columns

A student with a student ID of 324452 is named Mark Reyes

The sum of two sets is always greater than their intersection

A domain defines the type of values a column can hold

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does set theory deal with?

The study of database queries

The arrangement of tuples in a table

Sets or groups of things used for data manipulation

The format of attributes in a column

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of set theory in the relational model?

A relation consists of multiple tuples

Set A contains 15, 23, and 52, while Set B contains 41, 52, 70, and 12. It can be concluded that A and B share a common value, 52.

A tuple represents an entity in a database

The sum of all tuples in a column must be equal

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many components does the relational model have?

2

3

4

5

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