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

Author Question: From the choices below, identify the attribute below that would make the best primary key. (Read 46 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560

Question 1

Identify the attribute below that would not make a good primary key.
◦ Postal code.
◦ Social security number.
◦ A unique number automatically generated by the system.
◦ Cell phone number.

Question 2

From the choices below, identify the attribute below that would make the best primary key.
◦ Product number.
◦ Date of first purchase.
◦ Postal code.
◦ Customer telephone number.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by leilurhhh on Apr 8, 2019

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 49% of students answer this correctly




xthemafja

  • Sr. Member
  • ****
  • Posts: 348

 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library