Lab finished

AircraftDB.sql

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+CREATE DATABASE flight_db;
+USE  flight_db;
+
+
+
+CREATE TABLE customer
+(
+    customer_id INT NOT NULL AUTO_INCREMENT,
+    customer_name VARCHAR(70),
+    customer_status VARCHAR(70),
+    customer_Total_mileage  INT,
+
+    PRIMARY KEY (customer_id)
+
+);
+
+INSERT INTO customer (customer_name, customer_status, customer_Total_mileage)
+VALUES
+    ('Agustine Riviera', 'Silver', 115235),
+    ('Alaina Sepulvida', 'None', 6008),
+    ('Tom Jones', 'Gold', 205767),
+    ('Sam Rio', 'None', 2653),
+    ('Jessica James', 'Silver', 127656),
+    ('Ana Janco', 'Silver', 136773),
+    ('Jennifer Cortez', 'Gold', 300582),
+    ('Christian Janco', 'Silver', 14642);
+
+CREATE TABLE aircraft
+(
+
+    aircraft_name VARCHAR(70),
+    aircraft_number_of_seats INT,
+
+    PRIMARY KEY (aircraft_name)
+
+);
+
+INSERT INTO aircraft (aircraft_name, aircraft_number_of_seats) VALUES
+                                                                   ('Boeing 747', 400),
+                                                                   ('Airbus A330', 236),
+                                                                   ('Boeing 777', 264);
+
+CREATE TABLE flight
+(
+    flight_id INT NOT NULL AUTO_INCREMENT,
+    flight_number VARCHAR(5),
+    flight_aircraft_id INT,
+    flight_aircraft_name VARCHAR(70),
+    flight_mileage  INT,
+
+    PRIMARY KEY (flight_id),
+    FOREIGN KEY (flight_aircraft_name) REFERENCES aircraft(aircraft_name)
+);
+
+INSERT INTO flight (flight_number, flight_mileage, flight_aircraft_name) VALUES
+                                                                              ('DL143', 135, 'Boeing 747'),
+                                                                              ('DL122', 4370, 'Airbus A330'),
+                                                                              ('DL53', 2078, 'Boeing 777'),
+                                                                              ('DL222', 1765, 'Boeing 777'),
+                                                                              ('DL37', 531, 'Boeing 747');
+
+
+
+
+CREATE TABLE booking
+(
+    booking_id INT NOT NULL AUTO_INCREMENT,
+    booking_flight_number VARCHAR(5),
+    booking_customer_id INT,
+
+    PRIMARY KEY (booking_id),
+    FOREIGN KEY (booking_customer_id) REFERENCES customer(customer_id),
+        FOREIGN KEY (booking_flight_number) REFERENCES flight(flight_number)
+);
+
+INSERT INTO Booking (booking_customer_id, booking_flight_number) VALUES
+                                                                     (1, 'DL143'),
+                                                                     (1, 'DL122'),
+                                                                     (2, 'DL122'),
+                                                                     (1, 'DL143'),
+                                                                     (3, 'DL122'),
+                                                                     (3, 'DL53'),
+                                                                     (1, 'DL143'),
+                                                                     (4, 'DL143'),
+    (1, 'DL143'),
+                                                                    (3, 'DL222'),
+                                                                     (5, 'DL143'),
+                                                                     (4, 'DL143'),
+                                                                     (6, 'DL222'),
+                                                                     (7, 'DL222'),
+                                                                     (5, 'DL122'),
+                                                                     (4, 'DL37'),
+(8, 'DL222');
+
+
+
+
+
+
+
+SELECT flight_number, COUNT(*)
+FROM flight
+GROUP BY flight_number;
+
+SELECT flight_number, AVG(flight_mileage)
+FROM flight
+GROUP BY flight_number;
+
+SELECT aircraft_name,AVG(aircraft_number_of_seats)
+FROM aircraft
+GROUP BY aircraft_name;
+;
+
+SELECT customer_status, customer_name, AVG(customer_Total_mileage) AS avg_mileage
+FROM customer
+GROUP BY customer_status
+;
+
+SELECT customer_status, MAX(customer_Total_mileage)
+FROM customers
+GROUP BY customer_status
+    ;
+
+SELECT aircraft_name, COUNT(*)
+FROM aircraft
+WHERE aircraft_name LIKE '%Boeing%'
+GROUP BY aircraft_name
+;
+
+SELECT COUNT(*)
+    FROM flight
+    WHERE flight_mileage >= 300 AND flight_mileage <= 2000
+;
+
+SELECT c.customer_status, AVG(flight_mileage)
+FROM booking b
+         JOIN customer c ON b.booking_customer_id = c.customer_id
+         JOIN flight f ON b.booking_flight_number = f.flight_number
+GROUP BY customer_status
+;
+
+SELECT a.aircraft_name, COUNT(*) AS total_bookings
+FROM booking b
+         JOIN customers c ON b.booking_customer_id = c.customer_id
+         JOIN flight f ON b.booking_flight_number = f.flight_number
+         JOIN aircraft a ON f.flight_aircraft_name = a.aircraft_name
+WHERE c.customer_status = 'Gold'
+GROUP BY a.aircraft_name
+ORDER BY total_bookings DESC
+LIMIT 5;

BootLabWeek6SQL.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="GENERAL_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>