Author Question: What is a self-JOIN? What will be an ideal response?[br][br][b][color=black]Question ... (Read 40 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
What is a self-JOIN?
 
  What will be an ideal response?

Question 2

To shorten the time it takes to bring a new product to market, collaborative design and product development among the parties in the supply chain is ________.
 
  A) minimal
  B) never done
  C) unlimited
  D) crucial
  E) none of the above



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

When a relation contains a foreign key referring to its own primary key, such a relation can be joined with itself in a query. Such a join is referred to as a self-JOIN statement.

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

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

For a complete list of videos, visit our video library