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

Author Question: A means must be created to recover all test databases to their original state during the redesign ... (Read 57 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 7, 2018
A means must be created to recover all test databases to their original state during the redesign testing process.
 
  Indicate whether the statement is true or false

Question 2

When designing a database, one of the candidate keys in a relation is selected as the ________.
 
  A) composite key
  B) primary key
  C) foreign key
  D) surrogate key


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Liddy

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 7, 2018
Wow, this really help

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

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

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

The structural formulas show the state of ionization that would predominate at pH 7.0 The structural formulas show the state of ionization that would predominate at pH 7.0
Test for Depressive Symptoms: CED Scale Test for Depressive Symptoms: CED Scale
Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ... Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ...
Weber test Weber test
Biology Test Questions Biology Test Questions
The fluctuation test of Luria and Delbrück The fluctuation test of Luria and Delbrück
Video: Bone elongation - processes at the epiphyseal plate

For a complete list of videos, visit our video library