This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Identify the statement below that is false with regards to basic requirements of a relational database model. (Read 44 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Apr 8, 2019
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.
Accounting Information Systems ¦ Romney, Steinbart ¦ 14th Edition
Buy Test-Bank


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
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.
Answer Preview
Only 56% of students answer this correctly


saraeharris

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Apr 8, 2019
TY


ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #3 on: Apr 8, 2019
You're welcome


« previous next »
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Original Model of Jupiter’s Belts and Zones Original Model of Jupiter’s Belts and Zones
Genetics basic help! Genetics basic help!
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
The Atkinson-Shiffrin model The Atkinson-Shiffrin model
The basic structure of the IL-2 receptor. The basic structure of the IL-2 receptor.
Finishing techniques to entire leg. Start with basic effleurage from ankle to hip. Redrape the leg. ... Finishing techniques to entire leg. Start with basic effleurage from ankle to hip. Redrape the leg. ...
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library