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 190 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

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length
Volvulus. A length of small intestine has twisted around itself, cutting off blood circulation to th Volvulus. A length of small intestine has twisted around itself, cutting off blood circulation to th
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
The dorsal-column medial-lemniscus system. The pathways from only one side of the body are shown. The dorsal-column medial-lemniscus system. The pathways from only one side of the body are shown.
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
The Anatomic Dimensions of the Vertebral Column (Anterior, Left Lateral, and Posterior) The Anatomic Dimensions of the Vertebral Column (Anterior, Left Lateral, and Posterior)
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library