« previous next »

Author Question: In relational database design, ID-dependent entities are not used to ________. A) represent N:M ... (Read 178 times)

karlynnae

  • Hero Member
  • *****
  • Posts: 599
on: Jul 7, 2018
In relational database design, ID-dependent entities are not used to ________.
 
  A) represent N:M relationships
  B) handle associative relationships
  C) represent relationships where the child identifier does not include the key of the parent
  D) handle archetype/instance relationships

Question 2

To count the number of rows in a table, use the SQL construct COUNT(ROWS).
 
  Indicate whether the statement is true or false


nothere

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Redlichida, such as this Paradoxides, may represent the ancestral trilobites. Redlichida, such as this Paradoxides, may represent the ancestral trilobites.
The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ... The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ...
Figure of a Woman with a Drawing Showing Evidence of Original Painting and Outlining Design Scheme Figure of a Woman with a Drawing Showing Evidence of Original Painting and Outlining Design Scheme
Solow Model with Saving Dependent on Income Level Solow Model with Saving Dependent on Income Level
Importance of Considering Gestalt Principles in Product Design Importance of Considering Gestalt Principles in Product Design
Synthesis-dependent strand annealing (SDSA) Synthesis-dependent strand annealing (SDSA)
Video: Mendel's Principles of Inheritance (Father of Genetics)

For a complete list of videos, visit our video library