CET_TARDE - MTA Database - STANDARDS

Question 1 of 5

1

First normal form requires that a database excludes:

Select one of the following:

Foreign keys
Composite keys
Duplicate rows
Repeating groups

Explanation

Question 2 of 5

1

Denormalization is performed in order to:

Select one of the following:

Reduce redundancy.
Eliminate repeating groups.
Create smaller tables.
Improve query performance.

Explanation

Question 3 of 5

1

You have a table that contains the following data image.

This process is referred to as:

Select one of the following:

defragmentation
normalization
fragmentation
denormalization

Explanation

Question 4 of 5

1

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.

Select one of the following:

No change is needed
Normalized
Truncated
Indexed

Explanation

Question 5 of 5

1

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

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

Select one of the following:

1
2
3
4

	Created by Hawerth Castro almost 7 years ago

Database Fundamentals Quizzes preparing to certification

CET_TARDE - MTA Database - STANDARDS

Question 1 of 5

First normal form requires that a database excludes:

Select one of the following:

Explanation

Question 2 of 5

Denormalization is performed in order to:

Select one of the following:

Explanation

Question 3 of 5

You have a table that contains the following data image. This process is referred to as:

Select one of the following:

Explanation

Question 4 of 5

Select one of the following:

Explanation

Question 5 of 5

You work at a restaurant and they ask you to help them with a data issue. They provide you with the following recipe data image: You need to normalize the data to third normal form. How many tables should you create?

Select one of the following:

Explanation

You have a table that contains the following data image.

This process is referred to as:

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

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