CREATE TABLE regular_order_products (regular_order_id DECIMAL, product_id DECIMAL)
CREATE TABLE delivery_route_locations (location_code TEXT, route_id DECIMAL, location_address_id DECIMAL, location_name TEXT)
CREATE TABLE actual_orders (actual_order_id DECIMAL, order_status_code TEXT, regular_order_id DECIMAL, actual_order_date TIME)
CREATE TABLE customer_addresses (customer_id DECIMAL, address_id DECIMAL, date_from TIME, address_type TEXT, date_to TIME)
CREATE TABLE customers (customer_id DECIMAL, payment_method TEXT, customer_name TEXT, customer_phone TEXT, customer_email TEXT, date_became_customer TIME)
CREATE TABLE regular_orders (regular_order_id DECIMAL, distributer_id DECIMAL)
CREATE TABLE actual_order_products (actual_order_id DECIMAL, product_id DECIMAL)
CREATE TABLE products (product_id DECIMAL, product_name TEXT, product_price DECIMAL, product_description TEXT)
CREATE TABLE delivery_routes (route_id DECIMAL, route_name TEXT, other_route_details TEXT)
CREATE TABLE employees (employee_id DECIMAL, employee_address_id DECIMAL, employee_name TEXT, employee_phone TEXT)
CREATE TABLE trucks (truck_id DECIMAL, truck_licence_number TEXT, truck_details TEXT)
CREATE TABLE addresses (address_id DECIMAL, address_details TEXT, city TEXT, zip_postcode TEXT, state_province_county TEXT, country TEXT)
CREATE TABLE order_deliveries (location_code TEXT, actual_order_id DECIMAL, delivery_status_code TEXT, driver_employee_id DECIMAL, truck_id DECIMAL, delivery_date TIME)

List the names, phone numbers, and emails of all customers sorted by their dates of becoming customers.
SELECT customer_name, customer_phone, customer_email FROM customers ORDER BY date_became_customer
SELECT "customer_name", "customer_phone", "customer_email" FROM "customers" ORDER BY "date_became_customer" NULLS FIRST