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Lab Completed #8

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abc4c4a
Lab Completed
Tino-16-candels Apr 26, 2025
1806480
Lab Updated 0.1
Tino-16-candels Apr 27, 2025
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8 changes: 8 additions & 0 deletions LabWeek6/.idea/.gitignore
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17 changes: 17 additions & 0 deletions LabWeek6/.idea/dataSources.xml
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6 changes: 6 additions & 0 deletions LabWeek6/.idea/misc.xml
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8 changes: 8 additions & 0 deletions LabWeek6/.idea/modules.xml
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4 changes: 4 additions & 0 deletions LabWeek6/.idea/vcs.xml
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17 changes: 17 additions & 0 deletions pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.ironhack</groupId>
<artifactId>LabWeek6</artifactId>
<version>1.0-SNAPSHOT</version>

<properties>
<maven.compiler.source>23</maven.compiler.source>
<maven.compiler.target>23</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

</project>
173 changes: 173 additions & 0 deletions src/main/java/com/ironhack/Database
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CREATE DATABASE ironhack_db;

USE ironhack_db;

#first table
CREATE TABLE authors (
id INT NOT NULL,
author VARCHAR(255) NOT NULL ,
PRIMARY KEY (author)
);
#second table
CREATE TABLE blog
(
id INT NOT NULL AUTO_INCREMENT,
author VARCHAR(255),
title VARCHAR(255),
word_count INT,
views INT,
PRIMARY KEY (id),
FOREIGN KEY (author) REFERENCES authors (author)
);
INSERT INTO authors (id,author) VALUES
(1,'Maya Charlotte'),
(2,'Juan Perez'),
(3,'Gemma Alcocer');
INSERT INTO blog (author,title,word_count,views) VALUES
('Maya Charlotte', 'Best Paint Color', 814,14),
('Juan Perez', 'Small Space Decorating Tips', 1146,221),
('Maya Charlotte', 'Hot Accessories', 986,105),
('Maya Charlotte', 'Mixing Texture', 765,22),
('Juan Perez', 'Kitchen Refresh', 1242,307),
('Maya Charlotte', 'Homemade Art Hacks', 1002,193),
('Gemma Alcocer', 'Refinishing Wood Floors', 1571,7542);
#query
#SELECT * FROM blog;
#DROP TABLE blog;
#end part one----------------------------------------------------------
#part two : normalization
CREATE TABLE customers
(
id INT NOT NULL,
customer_name VARCHAR(255),
customer_status VARCHAR(255),
total_customer_mileage INT NOT NULL,
flight_number varchar(255),
PRIMARY KEY (id),
FOREIGN KEY (id) REFERENCES bookings(id)
);
#table
CREATE TABLE flights(
id INT NOT NULL,
flight_number VARCHAR(255),
aircraft VARCHAR(255),
flight_mileage INT NOT NULL,
PRIMARY KEY (id),
FOREIGN KEY (id) REFERENCES aircrafts(id)
);
#table
CREATE TABLE aircrafts (
id INT NOT NULL,
aircraft VARCHAR(255),
flight_number VARCHAR(255),
total_seats INT NOT NULL,
PRIMARY KEY (id)#,
#FOREIGN KEY (id) REFERENCES my_table(id)
);
#table
CREATE TABLE bookings (
id INT NOT NULL ,
customer_name VARCHAR(255),
flight_number VARCHAR(255),
PRIMARY KEY (id),
FOREIGN KEY (id) REFERENCES flights(id)
);
#Airline Database part
INSERT INTO customers (id, customer_name, customer_status, total_customer_mileage,flight_number) VALUES
(1,'Agustine Riviera','silver',115235,'DL143'),
(2,'Agustine Riviera','silver',115235,'DL122'),
(3,'Alaina Sepulvida','none',6008,'DL122'),
(4,'Agustine Riviera','silver',115235,'DL143'),
(5,'Tom Jones','gold',205767,'DL122'),
(6,'Tom Jones','gold',205767,'DL53'),
(7,'Agustine Riviera','silver',115235,'DL143'),
(8,'Sam Rio','none',2653,'DL143'),
(9,'Agustine Riviera','silver',115235,'DL143'),
(10,'Tom Jones','gold',205767,'DL222'),
(11,'Jessica james','silver',127656,'DL143'),
(12,'Sam Rio','none',2653,'DL143'),
(13,'Ana Janco','silver',136773,'DL222'),
(14,'Jennifer Cortez','gold',300582,'DL222'),
(15,'Jessica james','silver',127656,'DL122'),
(16,'Sam Rio','none',2653,'DL37'),
(17,'Christian Janco','silver',14642,'DL222');
#
INSERT INTO flights (id, flight_number, aircraft, flight_mileage) VALUES
(1,'DL143','Boeing 747',135),
(2,'DL122','Airbus A330',4370),
(3,'DL122','Airbus A330',4370),
(4,'DL143','Boeing 747',135),
(5,'DL122','Airbus A330',4370),
(6,'DL53','Boeing 777',2078),
(7,'DL143','Boeing 747',135),
(8,'DL143','Boeing 747',135),
(9,'DL143','Boeing 747',135),
(10,'DL222','Boeing 777',1765),
(11,'DL143','Boeing 747',135),
(12,'DL143','Boeing 747',135),
(13,'DL222','Boeing 777',1765),
(14,'DL222','Boeing 777',1765),
(15,'DL122','Airbus A330',4370),
(16,'DL37','Boeing 747',531),
(17,'DL222','Boeing 777',1765);
#
INSERT INTO aircrafts (id, flight_number, aircraft, total_seats) VALUES
(1,'DL143','Boeing 747',400),
(2,'DL122','Airbus A330',236),
(3,'DL122','Airbus A330',236),
(4,'DL143','Boeing 747',400),
(5,'DL122','Airbus A330',236),
(6,'DL53','Boeing 777',264),
(7,'DL143','Boeing 747',400),
(8,'DL143','Boeing 747',400),
(9,'DL143','Boeing 747',400),
(10,'DL222','Boeing 777',264),
(11,'DL143','Boeing 747',400),
(12,'DL143','Boeing 747',400),
(13,'DL222','Boeing 777',264),
(14,'DL222','Boeing 777',264),
(15,'DL122','Airbus A330',236),
(16,'DL37','Boeing 747',400),
(17,'DL222','Boeing 777',264);
#
INSERT INTO bookings (id, customer_name, flight_number) VALUES
(1,'Agustine Riviera','DL143'),
(2,'Agustine Riviera','DL122'),
(3,'Alaina Sepulvida','DL122'),
(4,'Agustine Riviera','DL143'),
(5,'Tom Jones','DL122'),
(6,'Tom Jones','DL53'),
(7,'Agustine Riviera','DL143'),
(8,'Sam Rio','DL143'),
(9,'Agustine Riviera','DL143'),
(10,'Tom Jones','DL222'),
(11,'Jessica james','DL143'),
(12,'Sam Rio','DL143'),
(13,'Ana Janco','DL222'),
(14,'Jennifer Cortez','DL222'),
(15,'Jessica james','DL122'),
(16,'Sam Rio','DL37'),
(17,'Christian Janco','DL222');
#query
SELECT COUNT(DISTINCT flight_number) FROM flights;
SELECT AVG(flight_mileage) FROM flights;
SELECT AVG(total_seats) FROM aircrafts;
SELECT customer_status, AVG(total_customer_mileage) FROM customers GROUP BY customer_status;
SELECT customer_status, MAX(total_customer_mileage) FROM customers GROUP BY customer_status;
SELECT COUNT(*) FROM aircrafts WHERE aircraft LIKE '%Boeing%';
SELECT * FROM flights WHERE flight_mileage BETWEEN 300 AND 2000;
SELECT c.customer_status, AVG(f.flight_mileage)
FROM bookings b
JOIN customers c ON b.id = c.id
JOIN flights f ON b.flight_number = f.flight_number
GROUP BY c.customer_status;
SELECT a.aircraft, COUNT(*) AS total_bookings
FROM bookings b
JOIN customers c ON b.id = c.id
JOIN flights f ON b.flight_number = f.flight_number
JOIN aircrafts a ON f.aircraft = a.aircraft
WHERE c.customer_status = 'Gold'
GROUP BY a.aircraft
ORDER BY total_bookings DESC
LIMIT 1;
#SELECT * FROM my_table;
8 changes: 8 additions & 0 deletions src/main/java/com/ironhack/Main.java
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package com.ironhack;

public class Main {
public static void main(String[] args) {


}
}