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Author Question: Which of the following is false regarding a well-structured relational database? (Read 58 times)

ap345

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on: Apr 8, 2019
Which of the following is false regarding a well-structured relational database?
◦ A foreign key cannot be null.
◦ A primary key cannot be null.
◦ Every column in a row must be single valued.
◦ All nonkey attributes in a table must describe a characteristic of the object identified by the primary key.
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Marked as best answer by ap345 on Apr 8, 2019

leahchrapun

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Reply #1 on: Apr 8, 2019
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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ap345

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Reply 2 on: Apr 8, 2019
Gracias!

Bigfoot1984

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Reply 3 on: Yesterday
Excellent

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