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SQL Server Mathematical functions (SQRT, PI, SQUARE, ROUND, CEILING & FLOOR)

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Mathematical functions are present in SQL server which can be used to perform mathematical calculations. Some commonly used mathematical functions are given below: 1. SQRT(): SQRT() function is the most commonly used function. It takes any numeric values and returns the square root value of that number. Syntax:
SELECT SQRT(..value..)
Example: 2. PI(): There are calculations which require use of pi. Using pi() function, value of PI can be used anywhere in the query. Syntax:
SELECT PI()
Example: 3. SQUARE(): SQUARE() function is used to find the square of any number. Syntax:
SELECT SQUARE(..value..)
Example: 4. ROUND(): ROUND() function is used to round a value to the nearest specified decimal place. Syntax:
SELECT ROUND(..value.., number_of_decimal_places)
Example: 5. CEILING() and FLOOR() CEILING(): CEILING() function is used to find the next highest value (integer). Syntax:
SELECT CEILING(..value..)
FLOOR(): FLOOR() function returns the next lowest value (integer). Syntax:
SELECT FLOOR(..value..)
Example:

Last Updated : 21 Mar, 2018
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