Create Table SQL
CREATE TABLE tblEnergyData(
fldSource VARCHAR(45),
fldShare FLOAT,
fldGainLoss FLOAT,
PRIMARY KEY (fldSource)
);
INSERT INTO tblEnergyData VALUES
('Zero carbon sources', '39.4', '-0.3'),
('Natural gas', '38.3', '-2.3'),
('Coal', '21.8', '2.5'),
('Petroleum sources', '0.5', '0.0');
SELECT fldSource, fldShare, fldGainLoss FROM tblEnergyData ORDER BY fldShare DESC;