You need to retrieve data from two related database tables based on a column that exists in both
tables.
Which command should you use in a query?

You have a database table that contains the following columns:

You must insert the following record into the table: Which two Structured Query Language (SQL)
statements can you use? (Choose two.)

This question requires that you evaluate the underlined text to determine if it is correct.
The UNION keyword combines the results of two queries and returns only rows that appear in both
result sets.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is
needed.” If the statement is incorrect, select the answer choice that makes the statement correct

You work at a restaurant and they ask you to help them with a data issue.
They provide you with the following recipe data:

You need to normalize the data to third normal form.
How many tables should you create?

You accept an IT internship at a local charity. The charity has two tables in their data model named
Chapter and Language, as defined below:

You create a third table named ChapterLanguage to relate the Chapter table and the Language table.
You need to select columns from the Chapter and Language tables to create a composite primary
key for the ChapterLanguage table.
Which two columns should you select? (Choose two.)

This question requires that you evaluate the underlined text to determine if it is correct.
You combine data from three tables into one table. The new table includes redundancy to optimize
read performance. The data in the new table has been denormalized.

Instructions: Review the underlined text. If it makes the statement correct, select “No change is
needed.” If the statement is incorrect, select the answer choice that makes the statement correct.

HOTSPOT
Instructions: For each of the following statements, select Yes if the statement is true. Otherwise,
select No. Each correct selection is worth one point.

You need to delete a database table.
Which data definition language (DDL) keyword should you use?

This question requires that you evaluate the underlined text to determine if it is correct.
Create a query that returns a set of table data by using the UPDATE statement.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is
needed.” If the statement is incorrect, select the answer choice that makes the statement correct.

Your class project requires that you help a charity to create a website that registers volunteers.
The website must store the following data about the volunteers:
Given name Surname Telephone number Email address
You need to recommend a correct way to store the data.
What do you recommend?