Solved Lab

create.sql

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+-- Create the database
+CREATE DATABASE IF NOT EXISTS lab_mysql;
+USE lab_mysql;
+
+-- Drop tables if they already exist
+DROP TABLE IF EXISTS invoices;
+DROP TABLE IF EXISTS cars;
+DROP TABLE IF EXISTS customers;
+DROP TABLE IF EXISTS salespersons;
+
+-- Create Cars table
+CREATE TABLE cars (
+    car_id INT AUTO_INCREMENT PRIMARY KEY,
+    vin VARCHAR(50) NOT NULL UNIQUE,
+    manufacturer VARCHAR(50) NOT NULL,
+    model VARCHAR(50) NOT NULL,
+    year YEAR NOT NULL,
+    color VARCHAR(30)
+);
+
+-- Create Customers table
+CREATE TABLE customers (
+    customer_pk INT AUTO_INCREMENT PRIMARY KEY,
+    customer_id VARCHAR(50) NOT NULL UNIQUE,
+    name VARCHAR(100) NOT NULL,
+    phone_number VARCHAR(20),
+    email VARCHAR(100),
+    address VARCHAR(200),
+    city VARCHAR(50),
+    state_province VARCHAR(50),
+    country VARCHAR(50),
+    zip_postal_code VARCHAR(20)
+);
+
+-- Create Salespersons table
+CREATE TABLE salespersons (
+    salesperson_pk INT AUTO_INCREMENT PRIMARY KEY,
+    staff_id VARCHAR(50) NOT NULL UNIQUE,
+    name VARCHAR(100) NOT NULL,
+    store VARCHAR(100)
+);
+
+-- Create Invoices table
+CREATE TABLE invoices (
+    invoice_pk INT AUTO_INCREMENT PRIMARY KEY,
+    invoice_number VARCHAR(50) NOT NULL UNIQUE,
+    invoice_date DATE NOT NULL,
+    car_id INT NOT NULL,
+    customer_pk INT NOT NULL,
+    salesperson_pk INT NOT NULL,
+    FOREIGN KEY (car_id) REFERENCES cars(car_id),
+    FOREIGN KEY (customer_pk) REFERENCES customers(customer_pk),
+    FOREIGN KEY (salesperson_pk) REFERENCES salespersons(salesperson_pk)
+);

delete.sql

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+USE lab_mysql;
+
+-- Delete duplicate car entry
+DELETE FROM cars
+WHERE car_id = 4;

seeding.sql

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+USE lab_mysql;
+
+-- Cars seeding
+INSERT INTO cars (car_id, vin, manufacturer, model, year, color)
+VALUES
+(1, '3K096I98581DHSNUP', 'Volkswagen', 'Tiguan', 2019, 'Blue'),
+(2, 'ZM8G7BEUQZ97IH46V', 'Peugeot', 'Rifter', 2019, 'Red'),
+(3, 'RKXVNNIHLVVZOUB4M', 'Ford', 'Fusion', 2018, 'White'),
+(4, 'HKNDGS7CU31E9Z7JW', 'Toyota', 'RAV4', 2018, 'Silver'),
+(5, 'DAM41UDN3CHU2WVF6', 'Volvo', 'V60', 2019, 'Gray'),
+(6, 'DAM56UDN3CHU2WVF6', 'Volvo', 'V60 Cross Country', 2019, 'Gray');
+
+-- Customers seeding
+INSERT INTO customers (customer_pk, customer_id, name, phone_number, email, address, city, state_province, country, zip_postal_code)
+VALUES
+(1, '10001', 'Pablo Picasso', '+34 636 17 63 82', NULL, 'Paseo de la Chopera, 14', 'Madrid', 'Madrid', 'Spain', '28045'),
+(2, '20001', 'Abraham Lincoln', '+1 305 907 7086', NULL, '120 SW 8th St', 'Miami', 'Florida', 'United States', '33130'),
+(3, '30001', 'Napoléon Bonaparte', '+33 1 79 75 40 00', NULL, '40 Rue du Colisée', 'Paris', 'Île-de-France', 'France', '75008');
+
+-- Salespersons seeding
+INSERT INTO salespersons (salesperson_pk, staff_id, name, store)
+VALUES
+(1, '00001', 'Petey Cruiser', 'Madrid'),
+(2, '00002', 'Anna Sthesia', 'Barcelona'),
+(3, '00003', 'Paul Molive', 'Berlin'),
+(4, '00004', 'Gail Forcewind', 'Paris'),
+(5, '00005', 'Paige Turner', 'Mimia'),
+(6, '00006', 'Bob Frapples', 'Mexico City'),
+(7, '00007', 'Walter Melon', 'Amsterdam'),
+(8, '00008', 'Shonda Leer', 'São Paulo');
+
+-- Invoices seeding
+INSERT INTO invoices (invoice_pk, invoice_number, invoice_date, car_id, customer_pk, salesperson_pk)
+VALUES
+(1, '852399038', '2018-08-22', 1, 1, 3),
+(2, '731166526', '2018-12-31', 3, 3, 5),
+(3, '271135104', '2019-01-22', 2, 2, 7);

update.sql

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+USE lab_mysql;
+
+SET SQL_SAFE_UPDATES = 0;
+
+-- Update email
+UPDATE customers
+SET email = '[email protected]'
+WHERE name = 'Pablo Picasso';
+
+UPDATE customers
+SET email = '[email protected]'
+WHERE name = 'Abraham Lincoln';
+
+UPDATE customers
+SET email = '[email protected]'
+WHERE name = 'Napoléon Bonaparte';
+
+
+SET SQL_SAFE_UPDATES = 1;