Author Question: A primary key is: A) required to be unique. B) used to represent rows in relationships. C) a ... (Read 24 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
A primary key is:
 
  A) required to be unique.
  B) used to represent rows in relationships.
  C) a candidate key.
  D) used to identify unique rows.
  E) All of the above

Question 2

During the design phase of developing a database system, the users are asked about the need for changes to existing forms and reports.
 
  Indicate whether the statement is true or false



ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

E

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library