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CREATE TABLE Country ( Population INTEGER NOT NULL, IndepDate DATE, TLD CHAR ( 3 ) , Capital VARCHAR ( 1 5 ) NOT NULL, PopDensity

CREATE TABLE Country (
Population INTEGER NOT NULL,
IndepDate DATE,
TLD CHAR(3),
Capital VARCHAR(15) NOT NULL,
PopDensity DECIMAL(7,2),
ISOCode3 CHAR(3)
);Which columns can contain NULL values?

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