(1) A real number represented by a pair of distinct numerals. The real number is the product of the fractional part, one of the numerals, and a value obtained by raising the implicit floating-point base to a power indicated by the second numeral.
(2) Either a 32-bit or 64-bit approximate representation of a real number. In IBM SQL, floating-point numbers do not include decimal floating-point numbers. See also double-precision floating-point number, single-precision floating point number, decimal floating-point number.