Jump to level $1$

CREATE TABLE Country $($

Under$14$PopPct FLOAT,

Continent VARCHAR$(8),$

Population INTEGER,

Name VARCHAR$(15)$ NOT NULL,

ContinentCode CHAR$(2)$ NOT NULL,

$15$to$64$PopPct FLOAT

;

Which columns can contain NULL values?

Under$14$PopPct

Name

Continent

ContinentCode

Population

$15$to$64$PopPct