Help Center/ Data Lake Insight/ Spark SQL Syntax Reference/ Built-In Functions/ Mathematical Functions/ cbrt
Updated on 2023-10-25 GMT+08:00
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cbrt

This function is used to return the cube root of a.

Syntax

cbrt(DOUBLE a)

Parameters

Table 1 Parameter

Parameter

Mandatory

Type

Description

a

Yes

DOUBLE, BIGINT, DECIMAL, or STRING

The value can be a float, integer, or string.

If the value is not of the DOUBLE type, the system will implicitly convert it to the DOUBLE type for calculation.

Return Values

The return value is of the DOUBLE type.

If the value of a is NULL, NULL is returned.

Example Code

The value 3 is returned. 
select cbrt(27);
The value 3.3019272488946267 is returned. 
select cbrt(36);
The value NULL is returned. 
select cbrt(null);
Parent topic: Mathematical Functions