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 Ref_calendar (calendar_date VARCHAR, day_Number VARCHAR)

### Question ###
Show all calendar dates and day Numbers.

### Accurate SQL ###

SELECT calendar_date, day_Number FROM Ref_calendar