Author Question: Schema is the MySQL synonym for database. Indicate whether the statement is true or ... (Read 40 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
Schema is the MySQL synonym for database.
 
  Indicate whether the statement is true or false

Question 2

In a supertype-subtype structure, discriminator attributes ________.
 
  A) are easily represented in a relational design
  B) cannot be represented in a relational design
  C) require application logic to determine which subtypes correspond to a specific supertype instance
  D) Both B and C are correct



Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

TRUE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library