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Vesnalui [34]
3 years ago
10

Many computer magazines and Web sites present comparisons of several DBMSs. Find one such DBMS comparison article and compare th

e functions in this chapter to the listed features and functions in the article. Which functions from this chapter are included in the article? Which functions are missing from the article? What additional functions are included in the article? Which DBMS would you recommend for Colonial Adventure Tours? Justify your recommendation.
Computers and Technology
1 answer:
Marianna [84]3 years ago
7 0

<u>In DBMS comparison normally end user compare the following this</u>

1. Cost effective.

2. How much storage capacity

3. Number of concurrent users or connection.

4. Extend storage capacity

<u>Explanation:</u>

Normally end users compare DBMS such as oracle, MySQL, sqlserver, MS access, and postages sql and mongo db.

If it is document oriented or image search best is mongo dB or clouch db, for best relationship management of DBMS such as oracle, MySQL server extra.

For colonial adventure tours and DBMS I would suggest either mongo dB or oracle all depends on organization.

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Write a program that reads numbers from scanf (keyboard) and then sums them, stopping when 0 has been entered. Construct three v
almond37 [142]

Answer:

For loop Version:

#include <stdio.h>

int main()

{

   int number, sum = 0;

   printf("Enter a positive integer: ");

   scanf("%d", &number);

   

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

       if(number == 0)

           break;

       sum += number;

       

       printf("Enter a positive integer: ");

       scanf("%d", &number);

   }

   printf("Sum is: %d", sum);

   return 0;

}

- - - - -

While Loop Version:

#include <stdio.h>

int main()

{

   int number, sum = 0, i = 0;

   printf("Enter a positive integer: ");

   scanf("%d", &number);

   

   while (number != 0) {

       sum += number;

       

       printf("Enter a positive integer: ");

       scanf("%d", &number);

   }

   printf("Sum is: %d", sum);

   return 0;

}

Do-while Loop Version:

#include <stdio.h>

int main()

{

   int number, sum = 0, i = 0;

   

   do {

       printf("Enter a positive integer: ");

       scanf("%d", &number);

       

       sum += number;

       

   } while (number != 0);

   printf("Sum is: %d", sum);

   return 0;

}

Explanation:

- Initialize the variables

- Ask the user for the numbers until the user enters 0

-  Calculate and print the sum

4 0
2 years ago
¿Cuáles son las dos ideas que confrontan en la "Revolución Tecnológica", cuando se refieren a la producción?
jeyben [28]

Answer:

._.  dont know spanish

Explanation:

6 0
2 years ago
17.
Radda [10]
Sorry to answer you so late but that would be truth because that is the first rule of science which is what thermodynamics depends in. 

The first law of thermodynamics is a type of law of conservation but with thermodynamics systems. 


So, in gogle I found this: "The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroyed."

Like I said, sorry to reply so late but I hope this helped! =)
3 0
2 years ago
A blood bank maintains two tables - DONOR, with information about people who are willing to donate blood and ACCEPTOR, with info
Kipish [7]

Answer:

The sql query is given below.

Since we need to count of males and females for a particular blood group, we put xxx for the blood group.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%") as Male_Donors,

COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%") as Female_Donors

FROM DONOR

WHERE BG = xxx;

Explanation:

The clauses in the query are as follows.

1. SELECT: all the columns required in the output are put in this clause.

2. FROM JOIN ON: the table(s) from which the above columns are taken are put in this clause.

3. WHERE: any condition required to filter the output is put in this clause.

The query is explained below.

1. Find the number of male donors. Number of anything can be found using COUNT() function. A query is required since gender is included in deciding the type of donor.

2. The query is defined to find number of male donors as follows.

COUNT( SELECT DID FROM DONOR WHERE GENDER LIKE "M%"; )

3. In the previous query, LIKE operator is used since it is not defined what value is stored for male donors.

4. Similarly, the query to find the number of female donors is formed.

COUNT( SELECT DID FROM DONOR WHERE GENDER LIKE "F%"; )

5. Next, the final query is formed as follows.

SELECT: both COUNT() functions will come here.

FROM: table name

WHERE: specific blood group will be put here

GROUP BY: this clause is optional and is not used in this query.

HAVING: this clause is optional and is not used in this query.

6. The query after putting all clauses is shown below.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%"),

COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%")

FROM DONOR

WHERE BG = xxx;

7. Alias is used in the above query for each column to get the final query.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%") as Male_Donors, COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%") as Female_Donors

FROM DONOR

WHERE BG = xxx;

7 0
3 years ago
A must decode this code. I guess is not a Cesar. The last line is a email adress.
Pie
It is a text in Polish language.
Powiedz nam w czym jesteś dobry

Magento
Drupal
DjangoSymfony
Python
PHP
Zaznaczone?
Teraz wyślij formularz z konsoli przeglądarki:

require('jquery')[WON'T TRANSLATE THIS LINE BECAUSE IT IS IMMORAL-> YES, I AM A PROGRAMMER :)) ]



3 0
3 years ago
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