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Author Question: From the choices below, identify the attribute below that would make the best primary key. (Read 20 times)

leilurhhh

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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.


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Marked as best answer by leilurhhh on Apr 8, 2019

xthemafja

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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.
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xthemafja

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