SQL Server FLOOR Function

SQL Server FLOOR Function is a mathematical function that returns the largest integer value that is less than or equal to a number.

SYNTAX

FLOOR ( numeric_expression )

numeric_expression
Is a numeric input value or approximate numeric data type category.

Lets look at an example of FLOOR() function in SQL Server.

FLOOR function with positive values

For input value 100.01

 SELECT FLOOR(100.01) AS OUTPUT

 

 

 

 

 

It returns 100, which is a largest integer value that is less than input value 100.01.

 

For input value 155.61

 SELECT FLOOR(155.61) AS OUTPUT

 

 

 

 

 

It returns 155, which is a largest integer value that is less than input value 155.61.

For input value 00.50

SELECT FLOOR(00.50) AS OUTPUT

 

 

 

 

 

It returns 0, which is a largest integer value that is less than input value 00.50.

For input value 568.01

SELECT FLOOR(568.01) AS OUTPUT

 

 

 

 

 

It returns 568, which is a largest integer value that is less than input value 568.01.

 

FLOOR function with positve values 

For Negative input value -00.01

SELECT FLOOR(-00.01) AS OUTPUT

It returns -1, which is a largest integer value that is less than input value -00.01.

 

For Negative input value -555.12

SELECT FLOOR(-555.12) AS OUTPUT

It returns -556, which is a largest integer value that is less than input value -555.12.

 

For Negative input value -568.01

SELECT FLOOR(-568.01) AS OUTPUT

It returns -569, which is a largest integer value that is less than input value -568.01.

 

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