Returns the largest integer less than or equal to the given numeric expression.
FLOOR (numeric_expression)
An expression of the exact numeric or approximate numeric data type categories, or of data types that are implicitly convertible to float.
Returns the same type as numeric_expression except for the following expressions.
Specified expression
Return type
tinyint , smallint
int
real /float
float
Nonnumeric types that can be implicitly converted to float
The following example applies the FLOOR function to the UnitPrice column of the Order Details table.
SELECT [Order ID], [Unit Price], FLOOR([Unit Price]) AS [Floor Value] FROM [Order Details] WHERE ([Unit Price] > 100) ORDER BY [Unit Price]