-- Create the users table CREATE TABLE users (id UUID PRIMARY KEY, name STRING, surname STRING); -- Create the cars table with vid as an optional type CREATE TABLE cars (id UUID PRIMARY KEY, vid Option(STRING), brand STRING, model STRING); -- Insert entries into users INSERT INTO users (id, name, surname) VALUES (u1001, "Jiří", "Novák"); INSERT INTO users (id, name, surname) VALUES (u1002, "Petr", "Svoboda"); INSERT INTO users (id, name, surname) VALUES (u1003, "Marek", "Dvořák"); INSERT INTO users (id, name, surname) VALUES (u1004, "Ondřej", "Černý"); INSERT INTO users (id, name, surname) VALUES (u1005, "Lukáš", "Krátký"); INSERT INTO users (id, name, surname) VALUES (u1006, "さくら", "たなか"); INSERT INTO users (id, name, surname) VALUES (u1007, "ひろし", "すずき"); INSERT INTO users (id, name, surname) VALUES (u1008, "れいこ", "こばやし"); INSERT INTO users (id, name, surname) VALUES (u1009, "ゆうた", "わたなべ"); INSERT INTO users (id, name, surname) VALUES (u1010, "あやか", "おかもと"); -- Insert entries into cars INSERT INTO cars (id, vid, brand, model) VALUES (u2001, None, "Toyota", "Corolla"); INSERT INTO cars (id, vid, brand, model) VALUES (u2002, None, "Ford", "Fiesta"); INSERT INTO cars (id, vid, brand, model) VALUES (u2003, Some("WBAKB0C52AC111480"), "Volkswagen", "Golf"); INSERT INTO cars (id, vid, brand, model) VALUES (u2004, Some("3D73Y4CL4BG009999"), "Honda", "Civic"); INSERT INTO cars (id, vid, brand, model) VALUES (u2005, None, "Hyundai", "Elantra"); INSERT INTO cars (id, vid, brand, model) VALUES (u2006, Some("JN8AS5MTXBW273113"), "Ford", "Focus"); INSERT INTO cars (id, vid, brand, model) VALUES (u2007, None, "Nissan", "Sentra"); INSERT INTO cars (id, vid, brand, model) VALUES (u2008, Some("SCFFDABE1BG998717"), "Chevrolet", "Malibu"); INSERT INTO cars (id, vid, brand, model) VALUES (u2009, None, "Kia", "Optima"); INSERT INTO cars (id, vid, brand, model) VALUES (u2010, Some("1G4GG5E35DF715445"), "Audi", "A4"); -- SELECT and DELETE commands for users and cars SELECT * FROM users; SELECT name FROM users; SELECT name, surname FROM users; SELECT * FROM users WHERE name = "さくら"; DELETE FROM users WHERE surname = "Novák"; SELECT * FROM users; SELECT * FROM cars; SELECT brand FROM cars; SELECT brand, model FROM cars; SELECT * FROM cars WHERE brand = "Ford"; DELETE FROM cars WHERE brand = "Ford"; SELECT * FROM cars;