[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 36 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?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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.

Diagram of a cell nucleus

Hertzsprung–Russell diagram

Schematic diagram of the CSTR

Monosaccharides Diagram

Wiring diagram of a typical Ford electronic ignition.

plant diagram

Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 36 times)

Related Topics

Need homework help now?