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BlackZzzverrR [31]
1 year ago
8

The designers of a database typically begin by developing a​ __________ to construct a logical representation of the database be

fore it is implemented.
Computers and Technology
1 answer:
Pavlova-9 [17]1 year ago
8 0

The designers of a database typically begin by developing a​ Data model to construct a logical representation of the database before it is implemented.

What is a data model?

A data model  in database is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored, organized and manipulated. They are three primary data models namely: relational, dimensional, and entity-relationship (E-R).

Learn more on Database model from:

brainly.com/question/17081023?referrer=searchResults

#SPJ4

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Meg[] elements = {new Lois(), new Stewie(), new Meg(), new Brian()}; for (int i =0; i
Stells [14]

Complete question is attached as snapshot.

Answer:

This will result in a compilation error.

Here's the inheritance hierarchy:

Meg -> Lois -> Brian -> Stewie

Now Meg has 2 public Fxns, a() and toString().

Lois inherits from Meg and all its public functions as well but, overrides the a() fxn of its super class.

So finally Lois has fxns a(), b() and toString().

Brian extends Lois and inherits all the above listed fxns of Lois, but overrides the b() and toString() fxns.

Stewie extends Brian and inherits all the fxns of Brian, but overrides the a() and toString() fxns.

In the Main driver fxn, we call a() and b() methods of all these classes but, the base class Meg has no b() and it is not extending any class so its not available in its scope.

This results in a compilation error.

Explanation:

7 0
3 years ago
Write the prototype for a function named showSeatingChart that will accept the following two-dimensional array as an argument. c
barxatty [35]

Answer:

See explaination

Explanation:

void showSeatingChart(string seatingChart[20][40], const int ROWS, const int COLS){

for(int i = 0;i<ROWS;i++){

for(int j = 0;j<COLS;j++){

cout<<seatingChart[i][j]<<" ";

}

cout<<endl;

}

}

4 0
3 years ago
Both Saturn Technologies and Granite Inc. incur a cost of $200 to manufacture a single unit of a cell phone. However, Saturn Tec
Ghella [55]

Answer:

<em> It implies that Saturn Technologies creates more economic value than Granite Inc. does</em>

Explanation:

<em>Economic value is a measure of the benefit provided by a good or service to an economic agent. It is generally measured relative units of currency, and the interpretation is therefore: what is the maximum amount of money a specific actor is willing and able to pay for the good or service?</em>

5 0
3 years ago
Help!!!!!!<br>please<br>Who will give the answer I'll mark him/her as brainlist..​
damaskus [11]
17, 12.5, 6, and 10. HOPE THIS HELPS
4 0
2 years ago
Dave and Kirk are learning about electromagnetic waves in class. Dave says that gamma rays are the most dangerous because they c
katen-ka-za [31]

I’d say A: Dave is partly right in his answer that gamma rays are the most dangerous, but it is because of their frequency and wavelength, not where they come from.

Gamma rays are the most intense and thus, most harmful electromagnetic waves. Gamma rays radiation poisoning is difficult to shield against. These rays have the most energy and can go through six feet of concrete and damage your DNA as well. The higher the energy waves (gamma, x-ray), the shorter the wavelengths

7 0
3 years ago
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