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ella [17]
3 years ago
13

Making a change to the conceptual schema of a database but notaffecting the existing external schemas is an example of

Computers and Technology
1 answer:
zhuklara [117]3 years ago
3 0

Answer: logical data independence

Explanation:

Using logical data independence we are able to make change to the conceptual schema but it does not make changes to the external schema. The external schema refers to the hiding the details of the database from the user.

Logical data independence refers to the views by which we are able to see the data without getting the internal details of the database.

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The ability for a protocol or program to determine that something went wrong is known as_________.
777dan777 [17]

Answer:

The correct answer to the following question will be Error-detection.

Explanation:

Error-detection: The detection of errors caused during the transmission from the transmitter to the receiver by damage and other noises, known as Error-detection. This error-detection has the ability to resolute if something went wrong and if any error occurs in the program.

There are mainly three types of error-detection, these types can be followed:

  • Automatic Repeat Request (ARQ)
  • Forward Error Correction
  • Hybrid Schemes

There are two methods for error-detection, such as:

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4 0
3 years ago
What are the four conditions to help determine whether a website is a good source for information?
Ratling [72]

Answer:

1. Credible Websites are Registered with Legitimate Institutions 2. Watch out for Dummy Content for Website Credibility Check 3. Watch out for Scam Advertisements to Verify Website Credibility 4. Professional Designs Mean Everything

Explanation:

3 0
2 years ago
Do rats smell good? what do you think
irina1246 [14]

Answer:

Rats are not smelly animals. They are actually extremely clean animals and should not smell bad at all. ... A sick rat odor will smell like infection. Most likely if you are smelling your rats it is due to the cage and bedding not being cleaned often enough or from using the wrong type of litter and bedding.

Explanation:

7 0
4 years ago
Read 2 more answers
Which of these is NOT an example of lifelong learning?
oee [108]

Answer:

B. having lunch with a friend

Explanation:

Lifelong learning can be defined as a continuous, self-motivated, and self-initiated learning activity that is typically focused on personal or professional development. Thus, it's a form of education that is undertaken throughout life with the sole aim of pursuing knowledge, competencies, and skills for either personal or professional growth and development, especially after acquiring a formal education.

Some examples of lifelong learning includes the following;

I. Reading a trade magazine.

II. Reviewing a textbook.

III. Studying an encyclopedia.

7 0
3 years ago
In cell j6, enter a formula to determine the cost of gas if the customer chose that option as indicated in column i. if the cust
Alex73 [517]

Answer:

a t t i c

Explanation:

7 0
3 years ago
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