« previous next »

Author Question: In a recursive relationship, which of the following is true of the entity involved? A) The entity ... (Read 103 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
on: Jul 7, 2018
In a recursive relationship, which of the following is true of the entity involved?
 
  A) The entity is neither the parent nor the child.
  B) The entity is both the parent and the child.
  C) The entity is the child, but not the parent.
  D) The entity is the parent, but not the child.

Question 2

Customer's phone number does not satisfy which of the following primary key desired
  properties?
 
  A) Nonupdateable B) Minimal
  C) Non-null D) Unique


Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ... Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ...
The relationship between RH and temperature. The relationship between RH and temperature.
A dose-response curve describes the relationship between the quantity of the chemical entering the ... A dose-response curve describes the relationship between the quantity of the chemical entering the ...
Relationship between inorganic and organic nitrogen metabolism Relationship between inorganic and organic nitrogen metabolism
Relationship Between Income per Capita and Population Growth Relationship Between Income per Capita and Population Growth
A simplified overview of the genes and regulatory units involved in the control of lactose metabolis A simplified overview of the genes and regulatory units involved in the control of lactose metabolis
Video: B cells and antibodies

For a complete list of videos, visit our video library