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

Author Question: A file in which the length of characters is the same for each column is called: A) A fixed length ... (Read 172 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
on: Jul 7, 2018
A file in which the length of characters is the same for each column is called:
 
  A) A fixed length file
  B) A delimited file
  C) An XML file
  D) A plain text file

Question 2

Which of the following represent an advantage of a natural key?
 
  A) A natural key helps protect data integrity by preventing accidental entry of duplicate rows
  B) It is always easy to guarantee the uniqueness of a natural key
  C) Natural key belong to and describe the entity
  D) Both A and C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

D


AEWBW

  • Member
  • Posts: 579
Reply 2 on: Jul 7, 2018
:D TYSM

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
The spinal column. The spinal column.
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Length-Tension Relationship Length-Tension Relationship
A particle confined in a rigid one-dimensional box (an infinite well) of length 17.0 fm has an ... A particle confined in a rigid one-dimensional box (an infinite well) of length 17.0 fm has an ...
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library