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MySQL | SQRT method
schedule Aug 12, 2023
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Tags MySQL
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MySQL's SQRT(~) method returns the square root of a nonnegative number.
Parameters
1. X | number
A nonnegative number to return the square root for.
Examples
Basic usage
To return the square root for a positive number:
SELECT SQRT(20);
+------------------+| SQRT(20) |+------------------+| 4.47213595499958 |+------------------+
Negative input
To return the square root for -5:
SELECT SQRT(-5);
+----------+| SQRT(-5) |+----------+| NULL |+----------+
We return NULL if we try to return the square root for a negative number.
Published by Arthur Yanagisawa
Edited by 0 others
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Official MySQL Documentation
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_sqrt
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