This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When representing a one-to-many relationship in a relational database design, ________. A) the ... (Read 100 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
on: Jul 7, 2018
When representing a one-to-many relationship in a relational database design, ________.
 
  A) the parent is always on the one side of the one-to-many relationship
  B) the child is always on the one side of the one-to-many relationship
  C) either parent or child can be on the one side of the one-to-many relationship, and the choice is arbitrary
  D) either parent or child can be on the one side of the one-to-many relationship, and special criteria indicate which table should be on the one side

Question 2

An entity that holds specialized attributes that distinguish it from one or more other similar entities is a ________.
 
  A) supertype
  B) subtype
  C) discriminator
  D) parent


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

B


123654777

  • Member
  • Posts: 585
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

The vagina, sagittal section showing the location of the vagina and its relationship to the cervix, The vagina, sagittal section showing the location of the vagina and its relationship to the cervix,
Blood pressure and blood volume relationship Blood pressure and blood volume relationship
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
Relationship of the electrocardiogram to electrical conduction in the heart. Relationship of the electrocardiogram to electrical conduction in the heart.
Importance of Considering Gestalt Principles in Product Design (1 of 2) Importance of Considering Gestalt Principles in Product Design (1 of 2)
The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual
Video: Enzyme structure - Properties of enzymes

For a complete list of videos, visit our video library