[Answered] How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ...

This topic contains a solution. Click here to go to the answer

Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 58 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

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

jaaaaaaa

Sr. Member
Posts: 341

Reply #3 on: Jul 7, 2018

Happy to Help

« previous next »

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Plant Parts Diagram

Brain Diagram

Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi

Reaction coordinate diagram comparing enzyme-catalyzed and uncatalyzed reactions

anatomy diagram

Industrial solid waste process flow diagram

Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 58 times)

Related Topics

Need homework help now?