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MySQL 8.0
SQRT
Syntax:
SQRT(X)
Returns the square root of a nonnegative number X.
mysql> SELECT SQRT(4);
-> 2
mysql> SELECT SQRT(20);
-> 4.4721359549996
mysql> SELECT SQRT(-16);
-> NULL
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MySQL 8.0
Syntax:
SQRT(X)
Returns the square root of a nonnegative number X.
mysql> SELECT SQRT(4);
-> 2
mysql> SELECT SQRT(20);
-> 4.4721359549996
mysql> SELECT SQRT(-16);
-> NULL