Literal Number

A literal number specifies a numeric value.

The following examples show literal numbers as expressions: 
INSERT INTO items VALUES (4, 35, 52, 'HRO', 12, 4.00);

INSERT INTO acreage VALUES (4, 5.2e4);

SELECT unit_price + 5 FROM stock;

SELECT -1 * balance FROM accounts;

For more information, see Literal Number.