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

Author Question: Identify the statement below that is false with regards to basic requirements of a relational database model. (Read 57 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
Identify the statement below that is false with regards to basic requirements of a relational database model.
◦ Primary keys can be null.
◦ Foreign keys, if not null, must have values that correspond to the value of a primary key in another table.
◦ All non-key attributes in a table should describe a characteristic about the object identified by the primary key.
◦ Every column in a row must be single-valued.


Related Topics

Need homework help now?

Ask unlimited questions for free

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

ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
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 56% of students answer this correctly





 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

For a complete list of videos, visit our video library