Author Question: A primary key is a candidate key that has been selected to uniquely identify rows in a relation. ... (Read 78 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
A primary key is a candidate key that has been selected to uniquely identify rows in a relation.
 
  Indicate whether the statement is true or false

Question 2

To run an SQL script, click the Execute button on the Query Toolbar.
 
  Indicate whether the statement is true or false



cloud

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

TRUE

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library