When transforming supertype/subtype entities into a relational database design, the key of the ...

Author Question: When transforming supertype/subtype entities into a relational database design, the key of the ... (Read 111 times)

nramada

Hero Member
Posts: 580

on: Jul 7, 2018

When transforming supertype/subtype entities into a relational database design, the key of the supertype table is placed into the subtype table typically as the key.

Indicate whether the statement is true or false

Question 2

In an SQL query, which SQL keyword is used to sort the result table by the values in one or more columns?

A) GROUP BY
B) ORDER BY
C) SELECT
D) SORT BY

ecox1012

Sr. Member
Posts: 344

Reply #1 on: Jul 7, 2018

Answer to Question 1

TRUE

Answer to Question 2

B

Need homework help now?

Ask unlimited questions for free

Ask a Question

nramada

Hero Member
Posts: 580

Reply #2 on: Jul 7, 2018

Thank you

ecox1012

Sr. Member
Posts: 344

Reply #3 on: Jul 7, 2018

Happy to help you

« previous next »

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.