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Lana71 [14]
3 years ago
13

A single-user database system automatically ensures ____ of the database, because only one transaction is executed at a time.

Computers and Technology
1 answer:
natta225 [31]3 years ago
4 0
<span>serializability and isolation is the answer.</span>
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How do you uninstall sc update?
mihalych1998 [28]
You can't sorry, i dont like the update either :(
3 0
4 years ago
Read 2 more answers
Write a program that: program starts; declares and initializes to .06625 constant float variable NJSALES_TAX; declares and initi
FromTheMoon [43]

Answer:

Written in C++

#include<iostream>

using namespace std;

int main() {

const float SALES_TAX = 0.06625;

int total = 1000;

cout<<"Total: ";

cin>>total;

float grand_total = 0;

grand_total = total + total * SALES_TAX;

if (grand_total <= 1000) {

cout<<"Grand total is less than or equal to 1000 it is $";

printf("%.2f", grand_total);  

}

else if (grand_total > 1000 && grand_total <= 2000 ) {

cout<<"Grand total is more than 1000 less than or equal to 2000 it is $";

printf("%.2f", grand_total);  

}

else {

cout<<"Grand total is greater than 2000 it is $";

printf("%.2f", grand_total);  

}

cout<<"\nProgram finished!";

return 0;

}

Explanation:

<em>I've added the full source code as an attachment where I use comments to explain difficult lines</em>

Download cpp
5 0
4 years ago
Assume that name is a variable of type String that has been assigned a value. Write an expression whose value is the first chara
andrezito [222]

Answer:

name.charAt(0);

Explanation:

Given: 'name' is a variable of type String that has been assigned a value.

To determine: an expression whose value is the first character of the value of name.

Let us assume nae is assigned the value "test". So our expression should return the first character , that is 't'.

In order to do this, we can use the charAt method of String object.

String name="test";

char c = name.charAt(0);

Here 0 corresponds to the index of the character we are interested in.

3 0
3 years ago
Write a program to insert student grade and print the following
tangare [24]

Answer:

The answer is the program, in the explanation

Explanation:

I am going to write a C program.

int main(){

int grade = -1; /*The grade will be read to this variable*/

/*This loop will keep repeating until a valid grade is inserted*/

while(grade < 0 || grade > 100){

         printf("Insert the student's grade: %n");

         scanf("%d", &grade);

}

/*The conditional according to the grade value*/

if (grade >= 90){

     printf("Your grade is A\n");

}

else if (grade >= 80 && grade < 90){

     printf("Your grade is B\n");

}

else if (grade >= 70 && grade < 80){

     printf("Your grade is C\n");

}

else if (grade >= 60 && grade < 70){

     printf("Your grade is D\n");

}

else{

    printf("You got a failling grade\n");

}

return 0;

}

8 0
4 years ago
To delete only the selected contents of the table, but not the table itself, ____.
Volgvan

To delete only the selected contents of the table, but not the table itself, you need to click on this cell in the table.

6 0
3 years ago
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