Bee's Finished Lab Java Normalization DDL Solution

Lab-java-normalization-ddl-aggregation-solution1.sql

@@ -0,0 +1,65 @@
+CREATE DATABASE lab_java_normalization_ddl1;
+
+USE lab_java_normalization_ddl1;
+
+
+create table lab_ddl1(id int AUTO_INCREMENT,
+                      title_id int,
+                      author_id int not null,
+                      word_count int not null,
+                      views int not null,
+                      primary key (id),
+                      FOREIGN KEY (author_id) REFERENCES author(author_id),
+                      FOREIGN KEY (title_id) REFERENCES title(title_id)
+
+);
+
+create table author (
+                        author_id int primary key,
+                        author_name varchar(20) not null
+);
+
+create table title(
+                      title_id int primary key,
+                      title_name varchar(50),
+                      word_count int,
+                      views int
+);
+
+INSERT INTO lab_ddl1 VALUES
+                         (1,1,1, 814, 14),
+                         (2,2,1, 986, 105),
+                         (3,3, 1, 765, 22),
+                         (4,4, 1,1002, 14),
+                         (5,5, 2,1146, 221),
+                         (6,6, 2, 814, 307),
+                         (7,7, 3, 1571, 14);
+
+INSERT INTO author VALUES (1, 'Maria Charlotte'),
+                          (2, 'Juan Perez'),
+                          (3, 'Gemma Alcocer');
+
+INSERT INTO title VALUES (1, 'Best Paint Colors', 814, 14),
+                         (2, 'Hot Accessories', 986, 105),
+                         (3, 'Mixing Textures', 765, 22),
+                         (4, 'Homemade Art Hacks', 1002, 14),
+                         (5, 'Small Space Decorating Tips', 1146, 221),
+                         (6, 'Kitchen Refresh', 814, 307),
+                         (7, 'Refinishing Wood Floors', 1571, 14);
+
+SELECT * from lab_ddl1;
+SELECT * from author;
+SELECT * from title;
+#
+# SELECT author_name from lab_ddl1;
+#
+# UPDATE lab_ddl1
+    # SET author_name = 'Maria Charlotte'
+      # WHERE title_id = 1;
+# DROP TABLE lab_ddl1;
+#
+# DROP TABLE author;
+#
+# DROP TABLE title;
+
+

Lab-java-normalization-ddl-aggregation-solution2.sql

@@ -0,0 +1,165 @@
+### Exercise 2
+CREATE DATABASE lab_java_normalization_ddl2;
+
+USE lab_java_normalization_ddl2;
+
+
+CREATE TABLE airline(id int primary key AUTO_INCREMENT,
+                     customer_id int NOT NULL,
+                     booking_id int not null,
+                     flight_id int not null,
+                     aircraft_id int not null,
+                     status_id int not null,
+                     mileage_id int not null,
+                     total_mileage_id int not null,
+                     total_seat_id int not null,
+                     FOREIGN KEY (customer_id) REFERENCES customer(customer_id),
+                     FOREIGN KEY (booking_id) REFERENCES booking(booking_id),
+                     FOREIGN KEY (flight_id) REFERENCES flight(flight_id),
+                     FOREIGN KEY (aircraft_id) REFERENCES aircraft(aircraft_id),
+                     FOREIGN KEY (status_id) REFERENCES status(status_id),
+                     FOREIGN KEY (mileage_id) REFERENCES mileage(mileage_id),
+                     FOREIGN KEY (total_mileage_id) REFERENCES total_mileage(total_mileage_id),
+                     FOREIGN KEY (total_seat_id) REFERENCES total_seat(total_seat_id)
+);
+
+CREATE TABLE customer(
+                         customer_id int primary key,
+                         customer_name varchar(30),
+                         status varchar(20),
+                         total_mileage int not null
+);
+
+CREATE TABLE booking(
+                        booking_id int primary key,
+                        customer_id int,
+                        flight_number varchar(10)
+);
+
+CREATE TABLE flight(
+                       flight_id int PRIMARY KEY,
+                       flight_number varchar(15),
+                       flight_mileage int
+);
+
+CREATE TABLE aircraft(
+                         aircraft_id int primary key,
+                         aircraft_name varchar(20),
+                         total_aircraft_seats int not null
+);
+
+CREATE TABLE status(
+                       status_id int primary key,
+                       status varchar(10)
+);
+
+CREATE TABLE mileage(
+                        mileage_id int primary key,
+                        mileage_number int not null
+);
+
+CREATE TABLE total_mileage(
+                              total_mileage_id int PRIMARY KEY,
+                              total_mileage int
+);
+
+CREATE TABLE total_seat(
+                           total_seat_id int PRIMARY KEY,
+                           total_seat int
+);
+
+INSERT INTO airline VALUES
+                        (1, 1, 1, 1, 1, 2, 1, 1, 1),
+                        (2, 1, 1, 1, 1, 2, 1, 1, 1),
+                        (3, 1, 1, 1, 1, 2, 1, 1, 1),
+                        (4, 1, 1,1, 1,  2,  1, 1,1),
+                        (5, 1, 1, 1, 1, 2, 1, 1, 1),
+                        (6,2,  2, 2,2, 3, 2, 2, 2),
+                        (7,3,  2,2, 2, 1, 2, 3, 3),
+                        (8,3,  3, 3, 3, 1, 3,3, 3),
+                        (9,3,  4, 4, 3, 1, 4,3, 3),
+                        (10,4, 1, 1, 1, 3, 1, 4, 1),
+                        (11,4, 1, 1, 1, 3, 1, 4, 1),
+                        (12, 4, 5, 5, 1, 3, 5, 4,1),
+                        (13, 5, 1, 1, 1, 2, 1, 5, 1),
+                        (14, 5, 2, 2, 2, 2, 2, 5, 1),
+                        (15, 6, 4, 4, 3, 2, 4, 6, 3),
+                        (16, 7, 4, 4, 3, 1, 4, 7, 3),
+                        (17, 8, 4, 4, 3, 2, 4, 8, 3);
+
+INSERT INTO customer VALUES (1, 'Agustine Riviera', 'Silver', 115235),
+                            (2, 'Alaina Sepulvida','None', 6008 ),
+                            (3, 'Tom Jones','Gold', 205767),
+                            (4, 'Sam Rio', 'None', 2653),
+                            (5, 'Jessica James', 'Silver',127656),
+                            (6, 'Ana Janco', 'Silver', 136773),
+                            (7, 'Jennifer Cortez', 'Gold', 300582),
+                            (8, 'Christian Janco', 'Silver',14642 );
+
+INSERT INTO status VALUES (1, 'Gold'),
+                          (2, 'Silver'),
+                          (3, 'None');
+
+INSERT INTO mileage VALUES (1, 135),
+                           (2, 4370),
+                           (3, 2078),
+                           (4, 1765),
+                           (5, 531);
+
+INSERT INTO total_mileage VALUES (1, 115235),
+                                 (2, 6008),
+                                 (3, 205767),
+                                 (4, 2653),
+                                 (5, 127656),
+                                 (6, 136773),
+                                 (7, 300582),
+                                 (8, 14642);
+
+INSERT INTO booking VALUES (1, 1, 'DL143'),
+                           (2, 2, 'DL122'),
+                           (3, 3, 'DL53'),
+                           (4, 4, 'DL222'),
+                           (5, 5, 'DL37');
+
+
+INSERT INTO flight VALUES(1, 'DL143',  135),
+                         (2, 'DL122', 4370),
+                         (3, 'DL53',  2078),
+                         (4, 'DL222', 1765),
+                         (5, 'DL37',  531);
+
+INSERT INTO aircraft VALUES(1, 'Boeing 747',400),
+                           (2, 'Airbus 330',236),
+                           (3, 'Boeing 777',264);
+
+INSERT INTO total_seat VALUES(1, 400),
+                             (2, 236),
+                             (3, 264);
+
+
+# SELECT * FROM booking;
+# SELECT * FROM airline;
+
+## EXERCISE 3
+SELECT COUNT(DISTINCT flight_number) FROM flight;
+SELECT AVG(flight_mileage) FROM flight;
+SELECT AVG(total_aircraft_seats) FROM aircraft;
+SELECT status, AVG(total_mileage) FROM customer GROUP BY status;
+SELECT status, MAX(total_mileage) FROM customer GROUP BY status;
+SELECT COUNT(*) FROM aircraft WHERE aircraft_name LIKE '%Boeing%';
+SELECT * FROM flight WHERE flight_mileage BETWEEN 300 AND 2000;
+SELECT c.status, AVG(flight_mileage)
+FROM booking b
+         JOIN customer c ON b.customer_id = c.customer_id
+         JOIN flight f ON b.flight_number = f.flight_number
+GROUP BY c.status;
+
+SELECT a.aircraft_name, COUNT(*) AS total_bookings
+FROM booking b
+         JOIN customer c ON b.booking_id = c.customer_id
+         JOIN flight f ON b.flight_number = f.flight_number
+         JOIN aircraft a ON f.flight_id = a.aircraft_id
+WHERE c.status = 'Gold'
+GROUP BY a.aircraft_name
+ORDER BY total_bookings DESC
+    LIMIT 1;