Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Apartments ( apt_type_code VARCHAR, room_count INTEGER )

### Question ###
Show each apartment type code, and the maximum and minimum number of rooms for each type.

### Accurate SQL ###

SELECT apt_type_code, MAX(room_count), MIN(room_count) FROM Apartments GROUP BY apt_type_code