Syntax

<square root> ::=


Notes

The SQRT function returns the square root of the argument.
The data type of the result is DOUBLE PRECISION.
If the argument is null, then the result is null.


Examples

Expression

Result

SQRT( 4 )

2

SQRT( 5 )

2.236068..


Conformance

SQL:2003 standard

-

Feature T621 "Enhanced numeric functions"

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