-- Database schema
| phone : Name [ TEXT ] , Phone_ID [ INT ] primary_key , Memory_in_G [ INT ] , Carrier [ TEXT ] , Price [ INT ] | market : Market_ID [ INT ] primary_key , District [ TEXT ] , Num_of_employees [ INT ] , Num_of_shops [ INT ] , Ranking [ INT ] | phone_market : Market_ID [ INT ] primary_key phone_market.Market_ID = market.Market_ID , Phone_ID [ TEXT ] phone_market.Phone_ID = phone.Phone_ID , Num_of_stock [ INT ] |
-- -- List the distinct carriers of phones with memories bigger than 32.

SELECT DISTINCT Carrier FROM phone WHERE Memory_in_G  >  32;