CREATE TABLE market (market_id DECIMAL, district TEXT, num_of_employees DECIMAL, num_of_shops DECIMAL, ranking DECIMAL)
CREATE TABLE phone (name TEXT, phone_id DECIMAL, memory_in_g DECIMAL, carrier TEXT, price DECIMAL)
CREATE TABLE phone_market (market_id DECIMAL, phone_id TEXT, num_of_stock DECIMAL)

What are the memories and carriers of phones?
SELECT memory_in_g, carrier FROM phone
SELECT "memory_in_g", "carrier" FROM "phone"