Which clause is used with the ALTER TABLE statement?

• Add column

• Select

• Into

• Join

What is a relational database?

• A database that organizes data into one or more tables.

• A table with many columns and rows.

• A collection of data.

• A set of values of a very particular type.

What is a NULL value?

• A value that represents unknown or missing data

• A known value

• An outdated value

• A numerical value

The purpose of a variable is to:

• Store a value

• Display a webpage

• Keep your data private

• Determine if the value is a number or text

You’re taking inventory at a clothing store. You have six shirts. Save the value of the number of shirts to the variable shirts.

shoes = 8

dresses = 4

shirts ____ ____

What is missing?

• = & 6

• shirts & 6

• 2 & 6

• • + & 6

Given the value of myCookbook, what do you think the value of statement will be?

myCookbook = 'The Joy of Cooking'

yourCookbook = 'How to Cook Everything'

statement = 'My favorite cookbook is' + myCookbook

• My favorite cookbook is The Joy of Cooking

• My Favorite cookbook is

• The Joy of Cooking

• My Favorite cookbook is How to Cook Everything

When we use a value without assigning it to a variable, that’s known as:

• Hardcoding

• Phishing

• Digitization

• Storing

Take a look at the following code snippet. If we print out the final value of numSides, what would it be?

numSides

numSides = 4

triangle = 3

numSides = triangle

• 3

• 7

• 0

• 4

The three data types are

• Numbers, strings, booleans

• Equal, less than, greater than

• Text, image, audio

• Regular, decimal, binary

Data types are important because:

• They identify different types of information used in programs

• They are a recent development in programming

• They increase the number of lines in a program