This function is used to return the greatest value in a list of values.
Syntax
greatest(T v1, T v2, ...)
Parameters
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
v1 |
Yes |
DOUBLE, BIGINT, or DECIMAL |
The value can be a float or integer. |
v2 |
Yes |
DOUBLE, BIGINT, or DECIMAL |
The value can be a float or integer. |
Return Values
The return value is of the DOUBLE type.
If the value of a is NULL, NULL is returned.
Example Code
The value 4.0 is returned.
select greatest(1,2.0,3,4.0);
The value NULL is returned.
select greatest(null);