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

Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 86 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jul 7, 2018
How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram will have composite primary keys?
 
  A) 0
  B) 1
  C) 2
  D) 3

Question 2

The following attribute can contain more than one value for each entity instance.
 
  A) Unique attribute
  B) Composite attribute
  C) Multivalued attribute
  D) Derived attribute


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

C


faduma

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jul 7, 2018
TY


jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 7, 2018
Happy to Help


« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

biochemistry diagram biochemistry diagram
awesome diagram on evolution and diversity awesome diagram on evolution and diversity
diagram diagram
Block Diagram of Single-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Block Diagram of Single-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid
Schematic diagram showing polyclonal response by B cells against linear epitopes. Schematic diagram showing polyclonal response by B cells against linear epitopes.
Diagram of the cross section of an axoneme Diagram of the cross section of an axoneme
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library