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

Author Question: Which of the following is false regarding a well-structured relational database? (Read 49 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ap345 on Apr 8, 2019

leahchrapun

  • Sr. Member
  • ****
  • Posts: 332
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 39% of students answer this correctly




ap345

  • Member
  • Posts: 537
Reply 2 on: Apr 8, 2019
:D TYSM


helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

For a complete list of videos, visit our video library