FLOOR

The FLOOR function returns the largest integer equal to or less than Expression.

SQL syntax

FLOOR (Expression)

Parameters

FLOOR has the parameter:

Parameter	Description
`Expression`	Operand or column can be any numeric data type.

Description

If Expression is of type TT_DECIMAL or NUMBER, the data type returned is NUMBER with maximum precision and scale. Otherwise, FLOOR returns the same data type as the numeric data type of Expression.
If the value of Expression is NULL, NULL is returned. If the value of Expression is -INF, INF, or NaN, the value returned is -INF, INF, or NaN respectively.

Examples

Sum the commission_pct for employees in the employees table. Then call FLOOR to return the largest integer equal to or less than the value returned by SUM. You see the value returned by the SUM function is 7.8 and the value returned by the FLOOR function is 7:

Command> SELECT SUM (commission_pct) FROM employees;
< 7.8 >
1 row found.
Command> SELECT FLOOR (SUM (commission_pct)) FROM employees;
< 7 >
1 row found.