This topic contains a solution. Click here to go to the answer

Author Question: Surrogate keys usually slow performance. Indicate whether the statement is true or ... (Read 46 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
Surrogate keys usually slow performance.
 
  Indicate whether the statement is true or false

Question 2

An identifier serves the same role for a table that a key does for an entity.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Joc

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

FALSE

Answer to Question 2

FALSE




scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jul 7, 2018
:D TYSM


kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

For a complete list of videos, visit our video library