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 175 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
Wow, this really help

rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Ancestral versus shared derived characters involving a molecular trait. Ancestral versus shared derived characters involving a molecular trait.
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ... Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ...
Use fingertips to apply friction to muscle attachments along inferior length of the clavicle. Use fingertips to apply friction to muscle attachments along inferior length of the clavicle.
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
The Vertebral Column. Note the Four Curvatures of the Spine in the Right Lateral View The Vertebral Column. Note the Four Curvatures of the Spine in the Right Lateral View
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library