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MySQL FLOOR() function

FLOOR() function

MySQL FLOOR() returns the largest integer value not greater than a number specified as an argument.

Syntax:

FLOOR(N);

Argument:

Name Description
N A number.

Syntax Diagram:

MySQL FLOOR() Function - Syntax Diagram

MySQL Version: 5.6


Pictorial presentation of FLOOR() Function

mysql floor function

Pictorial presentation of MySQL FLOOR() function

pictorial presentation of MySQL FLOOR() function

Example of MySQL FLOOR() function

The following MySQL statement returns 1 which is the largest integer value of given number (1.72) as specified in the argument.

Code:

SELECT FLOOR(1.72);

Sample Output:

mysql> SELECT FLOOR(1.72);
+-------------+
| FLOOR(1.72) |
+-------------+
|           1 | 
+-------------+
1 row in set (0.02 sec)

Example: FLOOR() with negative value

The following MySQL statement return -3 which is not the largest integer value of given number (-2.72) as specified in the argument.

Code:

SELECT FLOOR (-2.72);

Sample Output:

mysql> SELECT FLOOR (-2.72);
+---------------+
| FLOOR (-2.72) |
+---------------+
|            -3 | 
+---------------+
1 row in set (0.00 sec)

All Mathematical Functions

MySQL Mathematical Functions, slide presentation

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