Skip to content

HomeWork #59

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
deadlight1 wants to merge 4 commits into
base: master
Choose a base branch
from
Open

HomeWork #59

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
45c2393
lesson3
deadlight1 Feb 8, 2019
9454ce3
sql fill tables
deadlight1 Feb 9, 2019
b7711d9
Other
deadlight1 Feb 9, 2019
e301d56
and other
deadlight1 Feb 9, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
148 changes: 148 additions & 0 deletions SQL/Vladimir.Pletniov/homework.sql
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,148 @@
create table Address
(
ID int auto_increment,
country VARCHAR(256) not null,
city VARCHAR(256) not null,
post_index int null,
price int null,
primary key (ID)
);

create table People
(
ID int auto_increment,
age int not null,
name VARCHAR(256) not null,
last_name VARCHAR(256) not null,
salary int not null,
primary key (ID)
);

INSERT INTO `homework`.`Address`
(`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Kiev', 12444211, 1000000);

INSERT INTO `homework`.`People`
(`age`, `name`, `last_name`, `salary`)
VALUES (33, 'Mike', 'White', 30000);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (22, 'Dima', 'Bruno', 25325);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (34, 'Lina', 'Su', 53232);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (77, 'Mike', 'Kirov', 57464);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (18, 'Lena', 'Mukolova', 9335);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (55, 'Kiril', 'Yanov', 34532);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (88, 'Rinat', 'Kunicin', 34521);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (44, 'Marcus', 'Chu', 347654);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (98, 'Piter', 'Jacson', 57434);
INSERT INTO `homework`.`People` (`age`, `name`, `last_name`, `salary`)
VALUES (25, 'Mona', 'Light', 3946);

INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Odessa', 43523, 52324);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Kiev', 35423, 676675);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Dnipro', 4534352, 5675765);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Dnipro', 7866876, 6576);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Ukraine', 'Odessa', 7868766, 5765);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Russia', 'Moscow', 65564, 65775);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Russia', 'Piter', 87877, 5765765);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Russia', 'Moscow', 67565, 56757);
INSERT INTO `homework`.`Address` (`country`, `city`, `post_index`, `price`)
VALUES ('Russia', 'Riga', 57576876, 897889);


INSERT INTO `homework`.`Address`
(`ID`, `country`, `city`, `post_index`, `price`)
VALUES (22, 'Angola', 'Luanda', 432234, 532332);
INSERT INTO `homework`.`Address`
(`ID`, `country`, `city`, `post_index`, `price`)
VALUES (23, 'Algeria', 'Algiers', null, 243223);

INSERT INTO `homework`.`People` (`ID`, `age`, `name`, `last_name`, `salary`)
VALUES (44, 44, 'Kuto', 'Ruba', 54223);
INSERT INTO `homework`.`People` (`ID`, `age`, `name`, `last_name`, `salary`)
VALUES (45, 54, 'Nastia', 'Mira', 34321);


SELECT name, last_name, Address.post_index
from People
left join Address on People.ID = Address.Id;
SELECT *
from Address
left join People on Address.id = People.ID;

select *
from People
inner join Address on People.ID = Address.ID;
select *
from Address
inner join People on Address.ID = People.ID;

select *
from Address
left join People on Address.ID = People.ID
where People.ID is NULL;

select count(*)
from Address
left join People on Address.ID = People.ID
where People.ID is NULL;

SELECT count(*)
from People
left join Address on People.ID = Address.ID
where Address.ID is null;

select *
from People
inner join Address on People.ID = Address.ID
where city = 'Kiev';


select *
from Address
left join People on Address.ID = People.ID
where People.ID is NULL
having price > 250000
and price < 1000000;

SELECT *
from People
inner join Address on People.ID = Address.ID
where salary * 10 >= price;

select *
from Address
inner join People on Address.ID = People.ID
where 10 * salary >= price
having People.ID = 5;

INSERT into People (age, name, last_name, salary)
VALUES (32, 'Vasia', 'Petichkin', 1313134);

create table PeopleAddress
(
ID int auto_increment,
constraint PeopleAddress_pk
primary key (ID),
constraint PeopleAddress__ID_fk
foreign key (ID) references People (ID),
constraint PeopleAddress__ID_fk_2
foreign key (ID) references Address (ID)
);



54 changes: 54 additions & 0 deletions lesson_3/Vladimir.Pletniov/Calculator.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Calculator {
public static void main(String[] args) throws IOException {
System.out.println("You have these operations:" +
"add, minus, multiply, divide, remainder, abs");
String operation;
double firstOperand;
double secondOperand;
if (args.length > 0) {
operation = args[0];
firstOperand = Double.parseDouble(args[1]);
secondOperand = Double.parseDouble(args[2]);
} else {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Input operation:");
operation = reader.readLine();
System.out.println("Input first number:");
firstOperand = Double.parseDouble(reader.readLine());
System.out.println("Input second number:");
secondOperand = Double.parseDouble(reader.readLine());
}
calculate(operation, firstOperand, secondOperand);
}

public static void calculate(String operation, double firstOperand, double secondOperand) {
double result = 0;
switch (operation) {
case "add":
result = firstOperand + secondOperand;
break;
case "minus":
result = firstOperand - secondOperand;
break;
case "multiply":
result = firstOperand * secondOperand;
break;
case "divide":
result = firstOperand / secondOperand;
break;
case "remainder":
result = firstOperand % secondOperand;
break;
case "abs":
result = Math.abs(firstOperand);
break;
}
System.out.println("Result is a " + result);
}

}
31 changes: 31 additions & 0 deletions lesson_3/Vladimir.Pletniov/Tips.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Tips {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int sum = Integer.parseInt(reader.readLine());
String service = reader.readLine();
switch (service) {
case "terrible":
sum *= 1;
break;
case "poor":
sum *= 1.05;
break;
case "good":
sum *= 1.1;
break;
case "great":
sum *= 1.15;
break;
case "excellent":
sum *= 1.2;
break;
}
System.out.println("You have to pay: " + sum);
}
}