Author Question: In the relational model, many-to-many relationships cannot be directly represented by relations the ... (Read 49 times)

evelyn o bentley

  • Hero Member
  • *****
  • Posts: 564
In the relational model, many-to-many relationships cannot be directly represented by relations the way 1:1 and 1:N relationships can.
 
  Indicate whether the statement is true or false

Question 2

A subquery is appropriate only if the final result contains only data from a single table.
 
  Indicate whether the statement is true or false



BAOCHAU2803

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

TRUE

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library