A UNIQUE constraint needs to be added on email in the Participant entity. Which statement correctly adds this constraint?

FunRun: The local elementary school is having a fun run.  And are using the FunRun database to store the results.  Students find people to donate money for every lap they run.  Write a create statement to create the Donors table for the Fun Run.  The table will contain the following fields DonorID: A unique number to identify the Donor FirstName: The Participant’s first name LastName: The Participant’s last name Email: Their contact email address PhoneNumber: Contact Number    

What is the best description of a difference between a file system and a database?

The National Planning Scenarios studied identified the ______ scenario as being on the upper end of the list.

Which of the answers correctly complete the following sentence. (Select two) A relational database…

A rectangle is used to identify a(n) in an ERD.

In a relational database, a “row” is also referred to as which of the following?

Which patients are contraindicated for air polishing?

After orthodontic treatment, a patient should be instructed to:

In a healthy sulcus, probing depth should measure: