Solved lab

create.sql.sql

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+CREATE DATABASE IF NOT EXISTS lab_mysql;
+USE lab_mysql;
+
+-- DROP TABLE IF EXISTS cars;
+CREATE TABLE `cars`(
+    `id` int UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `vin` VARCHAR(255) NOT NULL,
+    `manufacturer` CHAR(255) NOT NULL,
+    `model` VARCHAR(255) NOT NULL,
+    `year` INT NOT NULL,
+    `color` CHAR(255) NOT NULL
+);
+-- DROP TABLE IF EXISTS customers;
+CREATE TABLE `customers`(
+    `cust_id` int UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `cust_name` CHAR(255) NOT NULL,
+    `cust_phone` VARCHAR(255) NOT NULL,
+    `cust_email` CHAR(255) NULL,
+    `cust_address` VARCHAR(255) NOT NULL,
+    `cust_city` CHAR(255) NOT NULL,
+    `cust_state` CHAR(255) NOT NULL,
+    `cust_country` CHAR(255) NOT NULL,
+    `cust_zipcode` INT NOT NULL
+);
+-- DROP TABLE IF EXISTS salespersons;
+CREATE TABLE `salespersons`(
+    `staff_ID` int UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `name` CHAR(255) NOT NULL,
+    `store` CHAR(255) NOT NULL
+);
+-- DROP TABLE IF EXISTS invoices;
+CREATE TABLE `invoices`(
+    `invoice_number` int UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `date` date NOT NULL,
+    `car` int UNSIGNED NOT NULL,
+    `customer` int UNSIGNED NOT NULL,
+    `salesperson` int UNSIGNED NOT NULL,
+    FOREIGN KEY(`car`) REFERENCES `cars`(`id`),
+    FOREIGN KEY(`customer`) REFERENCES `customers`(`cust_id`),
+    FOREIGN KEY(`salesperson`) REFERENCES `salespersons`(`staff_ID`)
+);
+/*
+ALTER TABLE
+    `invoices` ADD CONSTRAINT `invoices_car_foreign` FOREIGN KEY(`car`) REFERENCES `cars`(`id`);
+ALTER TABLE
+    `invoices` ADD CONSTRAINT `invoices_customerint_foreign` FOREIGN KEY(`customerint`) REFERENCES `customers`(`cust_id`);
+ALTER TABLE
+    `invoices` ADD CONSTRAINT `invoices_salespersonint_foreign` FOREIGN KEY(`salespersonint`) REFERENCES `salespersons`(`staff_ID`);
+*/

delete.sql

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+-- Setting the working database
+USE lab_mysql;
+SET SQL_SAFE_UPDATES = 0;
+
+DELETE FROM cars WHERE id = 4 AND vin = 'DAM41UDN3CHU2WVF6';
+
+select * from lab_mysql.cars;

seeding.sql

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+-- Setting the working database
+USE lab_mysql;
+
+INSERT INTO cars (vin, manufacturer, model, year, color)
+VALUES ('K096I98581DHSNUP','Volkswagen','Tiguan','2019','Blue'),
+('M8G7BEUQZ97IH46V','Peugeot','Rifter','2019','Red'),
+('RKXVNNIHLVVZOUB4M','Ford','Fusion','2018','White'),
+('KNDGS7CU31E9Z7JW','Toyota','RAV4','2018','Silver'),
+('DAM41UDN3CHU2WVF6','Volvo','V60','2019','Gray'),
+('AM41UDN3CHU2WVF6','Volvo','V60 Cross Country','2019','Gray');
+
+INSERT INTO customers (cust_name, cust_phone, cust_email, cust_address, cust_city, cust_state, cust_country, cust_zipcode)
+VALUE ('Pablo Picasso','+34 636 17 63 82','-','Paseo de la Chopera, 14','Madrid','Madrid','Spain','28045'),
+('Abraham Lincoln','+1 305 907 7086','-','120 SW 8th St', 'Miami','Florida','United States','33130'),
+('Napoléon Bonaparte','+33 1 79 75 40 00','-','40 Rue du Colisée','Paris','Île-de-France','France','75008');
+
+INSERT INTO salespersons (name, store)
+VALUE ('Petey Cruiser','Madrid'),
+('Anna Sthesia','Barcelona'),
+('Paul Molive','Berlin'),
+('Gail Forcewind','Paris'),
+('Paige Turner','Mimia'),
+('Bob Frapples','Mexico City'),
+('Walter Melon','Amsterdam'),
+('Shonda Leer','São Paulo');
+
+INSERT INTO lab_mysql.invoices (date, car, customer, salesperson)
+VALUE ('2018-08-22', '1', '1', '3'),
+  ('2018-12-31', '3', '3', '5'),
+  ('2019-01-22', '2', '2', '7');
+
+select * from lab_mysql.cars;
+select * from lab_mysql.customers;
+select * from lab_mysql.salespersons;
+select * from lab_mysql.invoices;

update.sql

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+-- Setting the working database
+USE lab_mysql;
+SET SQL_SAFE_UPDATES = 0;
+
+UPDATE customers SET cust_email = '[email protected]' WHERE cust_name = 'Pablo Picasso';
+UPDATE customers SET cust_email = '[email protected]' WHERE cust_name = 'Abraham Lincoln';
+UPDATE customers SET cust_email = '[email protected]' WHERE cust_name = 'Napoléon Bonaparte';
+
+select * from lab_mysql.customers;