« previous next »

Author Question: In which of the following situations would one have to use an outer join in order to obtain the ... (Read 25 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 7, 2018
In which of the following situations would one have to use an outer join in order to obtain the desired results?
 
  A) A report is desired that lists all customers who placed an order.
  B) A report is desired that lists all customers and the total of their orders.
  C) A report is desired that lists all customers and the total of their orders during the most recent month, and includes customers who did not place an order during the month (their total will be zero).
  D) There is never a situation that requires only an outer join.

Question 2

Sensitivity testing involves:
 
  A) checking to see if your teeth hurt when you brush.
  B) seeing how accurate data are.
  C) checking to see if missing data will greatly impact results.
  D) deleting the associated row.
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
Buy Test-Bank


Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Outer Space Outer Space
Birth Order and Intelligence Birth Order and Intelligence
An example of an EHR screen used to order a laboratory test. An example of an EHR screen used to order a laboratory test.
Coding for Special Situations Coding for Special Situations
The firing order is cast or stamped on the intake manifold on most engines that have a distributor ... The firing order is cast or stamped on the intake manifold on most engines that have a distributor ...
The order of gene transfer in four Hfr strains The order of gene transfer in four Hfr strains
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library