- All subjects
- Maths

High School

High School -

High School +

Middle School

Primary School

Undergrad

- All subjects
- Maths

High School

High School -

High School +

Middle School

Primary School

Undergrad

What do we call the set of counting numbers?

Complex numbers

Rational numbers

Real numbers

Natural numbers

What kind of number is represented as a ratio between two integers?

Real number

Natural number

Irrational number

Rational number

What symbol represents the set of rational numbers?

R

Z

N

Q

What kind of number is $\\sqrt{5}$?

Rational number

Natural number

Integer

Irrational number

Which set of numbers include the square roots of non-square numbers?

Natural numbers

Integers

Rational numbers

Real numbers

What is the term for the numerical expression $2/3$?

Irrational number

Integer

Natural number

Rational number

What is the term for the numerical expression $-5$?

Rational number

Natural number

Irrational number

Integer

What is an example of an irrational number?

1

0

-1

$\\pi$

Which SQL keyword is used to refer to specific conditions that all records should meet?

Select

From

Order by

Where

Which keyword in SQL is used to specify sorting by a specific column?

Group by

Limit

Join

Order by

How can multiple conditions be specified in an SQL query?

By using commas

By using semicolon

Conditions can’t be combined in a single query

By using AND or OR

What is the proper SQL syntax to specify that data should be pulled from a table named 'Flights'?

From table 'Flights'

Select * from 'Flights'

Flights select *

From Flights

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