The field that has a unique entry for each record in a database table is called the
a. logical key. b. master field.
c. foreign key. d. primary key.
C
You might also like to view...
8. Ben Coleman, one of your systems analysis team members, surprises you by asserting that when a system uses a test for correct field length, it is redundant also to include a test for range or reasonableness. In a paragraph, give an example that demonstrates that Ben is mistaken on this one.
What will be an ideal response?
The process of arranging data in a specific order based on the value in each field is called:
a. filtering b. sorting c. scaling
EX Case 2-1John is responsible for hiring a new Web developer. To manage all of the applicants during the hiring process, he needs to create a worksheet with all of the applicants' names, information, and current application status. To facilitate e-mail correspondence with the applicants, John creates a hyperlink by clicking ____ in the Insert Hyperlinks dialog box and typing the address to display.
A. Place in This Document B. Create New Document C. Existing File or Web Page D. E-mail Address
A user has not received any new e-mails on his smartphone in the last two days. The user is able to access the internet without any problems Which of the following should the user do first?
a. Restart the smartphone b. Reconfigure the smartphone's e-mail account c. Resysnchronize the smart phone d. Update the operating system