LEAST returns the least of the list of
exprs after the first are implicitly converted to the datatype of the first
expr before the comparison. Oracle Database compares the
exprs using nonpadded comparison semantics. If the value returned by this function is character data, then its datatype is always
See Also:Table 2-10, "Implicit Type Conversion Matrix" for more information on implicit conversion, "Floating-Point Numbers" for information on binary-float comparison semantics, and "Datatype Comparison Rules"
The following statement selects the string with the least value:
SELECT LEAST('HARRY','HARRIOT','HAROLD') "LEAST" FROM DUAL; LEAST ------ HAROLD