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4 years ago

In a database table, each record is usually displayed on its own separate _________.

Computers and Technology

1 answer:

Tcecarenko [31]4 years ago

8 0

<u>The answer is:</u> ROW

<u>Explanation:</u>

Each table have records in the form of row. That's why the collection of rows and columns is called table. And each records is a row in table.

I hope you get the idea.

Thanks

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One critique of determining the effectiveness of the psychodynamic perspective is that its theories are too vague to test. t/f

Feliz [49]

TRUE

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4 years ago

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Write an if/else statement that compares the double variable pH with 7.0 and makes the following assignments to the int variable

Brilliant_brown [7]

Answer:

int main()

{

double pH;

int neutral;

int base;

int acid;

cout<<"Enter a pH Value";

cin>> pH;

if(pH<7.0){

neutral =0;

base=0;

acid= 1;

}

else if (pH=7.0){

neutral =1;

base=0;

acid= 0;

}

else{

neutral =0;

base=1;

acid= 0;

}

cout <<"The neutral, Base and Acid Values are: "<<neutral<<","<<base<<","<<acid<<" Respectively"<<endl;

return 0;

}

Explanation:

Using multiple if/elseif/else statement the following problem is solved with C++

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3 years ago

Design a class called NumDays. The class’s purpose is to store a value that represents a number of work hours and convert it to

stepladder [879]

Answer:

See explaination

Explanation:

#include <iostream>

using namespace std;

class NumDays{

int hours;

float day;

public:

NumDays()

{

hours=0;

day=0.0;

};

NumDays(int h)

{

hours=h;

day=float(h/8.0);

};

int getHour()

{

return hours;

}

float getDay()

{

return day;

}

NumDays operator +(NumDays obj)

{

int h=getHour()+obj.getHour();

NumDays temp(h);

return temp;

}

NumDays operator -(NumDays obj)

{

int h=getHour()-obj.getHour();

NumDays temp(h);

return temp;

}

const NumDays& operator++() //prefix

{

++hours;

day=float(hours/8.0);

return *this;

}

const NumDays& operator--() //prefix

{

--hours;

day=float(hours/8.0);

return *this;

}

const NumDays operator++(int) //postfix

{

NumDays temp(*this);

++hours;

day=float(hours/8.0);

return temp;

}

const NumDays operator--(int) //postfix

{

NumDays temp(*this);

--hours;

day=float(hours/8.0);

return temp;

}

};

int main()

{

NumDays obj(2),obj2(10),obj3,obj4;

obj3=obj2-obj;

cout<<"'obj3=obj2-obj'=> Day:"<<obj3.getDay()<<"##Hour:"<<obj3.getHour()<<"\n";

obj3=obj+obj2;

cout<<"'obj3=obj+obj2'=> Day:"<<obj3.getDay()<<"##Hour:"<<obj3.getHour()<<"\n";

obj4=obj3++;

cout<<"'obj4=obj3++' => Day:"<<obj4.getDay()<<"##Hour:"<<obj4.getHour()<<"\n";

obj4=++obj3;

cout<<"'obj4=++obj3' => Day:"<<obj4.getDay()<<"##Hour:"<<obj4.getHour()<<"\n";

obj4=obj3--;

cout<<"'obj4=obj3--' => Day:"<<obj4.getDay()<<"##Hour:"<<obj4.getHour()<<"\n";

obj4=--obj3;

cout<<"'obj4=--obj3' => Day:"<<obj4.getDay()<<"##Hour:"<<obj4.getHour()<<"\n";

};

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3 years ago

Is Brainly cheating??

Vanyuwa [196]

Answer: What do you mean?

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3 years ago

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Create a set of use cases for the following health club membership system:

Sveta_85 [38]

Answer:

The use case diagram is attached.

Explanation:

Create a set of use cases for the following health club membership system:

When members join the health club, they pay a fee for a certain length of time. Most memberships are for one year, but memberships as short as two months are available. Throughout the year, the health club offers a variety of discounts on its regular membership prices (e.g., two memberships for the price of one for Valentine's Day). It is common for members to pay different amounts for the same length of membership. The club wants to mail out reminder letters to members asking them to renew their memberships one month before their memberships expire. Some members have become angry when asked to renew at a much higher rate than their original membership contract, so that the clubwants to track the price paid so that the manager can override the regular prices with special prices when members are asked to renew. The system must track these new prices so that renewals can be processed accurately. One of the problems in the healthclub industry is the high turnover rate of members. While some members remain active for many years, about half of the members do not renew their memberships. This is a major problem because the health club spends a lot in advertising to attract each new member. The manager wants the system to track each time a member comes into the club. The system will then identify the heavy users and generate a report so that the manager can ask them to renew their memberships early, perhaps offering them a reduced rate for early renewal. Likewise, the system should identify members who have not visited the club in more than a month so that the manager can call them and attempt to reinterest them in the club.

The use case diagram is attached.

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3 years ago