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

Author Question: When does a functional dependency occur? What will be an ideal ... (Read 70 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 7, 2018
When does a functional dependency occur?
 
  What will be an ideal response?

Question 2

The STATEWIDE HEALTH PRESCRIPTIONS database column PrescID provides the data for a dimension in the STATEWIDE HEALTH star schema.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iman

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

A functional dependency occurs when the value of one (or more) column(s) in each record of a relation uniquely determines the value of another column in that same record of the relation.

Answer to Question 2

FALSE


ec501234

  • Member
  • Posts: 573
Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Modifications to eukaryotic pre-mRNA are needed to create a functional (mature) mRNA molecule Modifications to eukaryotic pre-mRNA are needed to create a functional (mature) mRNA molecule
Functional Groups of Vitamin C Functional Groups of Vitamin C
Cultures Ideal Body Types Cultures Ideal Body Types
Functional brain imaging is the major method of cognitive neuroscience. This image—taken from the ... Functional brain imaging is the major method of cognitive neuroscience. This image—taken from the ...
Your Guide to Functional Foods Your Guide to Functional Foods
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
Video: B cells and antibodies

For a complete list of videos, visit our video library