SQL Reference

Math Functions

Overview

These scalar math functions operate on a single value and return a single value. They can appear anywhere where an ordinary value or condition can appear.

For a list of common math symbols supported in , see Arithmetic Operations Supported.

ABS

Returns the absolute value of a specified floating-point number.

Syntax

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Example

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Output: 250.5

ACOS

Returns the inverse cosine of a specified floating-point number.

Syntax

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Example

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Output: 1.318116071652818

ACOSH

Returns the hyperbolic arc-cosine of a specified floating-point number.

Syntax

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Example

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Output: 1.3169578969248166

ASIN

Returns the inverse sine of a specified floating-point number.

Syntax

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Example

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Output: 0.25268025514207865

ASINH

Returns the hyperbolic arc-sine of a specified floating-point number.

Syntax

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Example

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Output: 1.4436354751788103

ATAN

Returns the inverse tangent of a specified floating-point number.

Syntax

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Example

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Output: 0.24497866312686414

ATAN2

Returns the inverse tangent of two numeric, floating-point values.

Syntax

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Example

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Output: 0.4636476090008061

ATANH

Returns the hyperbolic arc-tangent of a specified floating-point number.

Syntax

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Example

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Output: 0.25541281188299536

BICDF

The cumulative distribution function of the standard bivariate normal distribution, which returns the probability that a random sample of (A, B) is less than x and less than y (A <= x and B <= y). The correlation is set to 0 in the case where you specify two arguments only.

You can specify an optional rho coefficient to calculate the correlation.

Syntax

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Example

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Output: 0.8222040420815764

BIPDF

The probability density function of the standard bivariate normal distribution, which returns the relative likelihood that a random sample would equal the specified values. The correlation is set to 0 in the case where you specify two arguments only.

You can specify an optional rho coefficient to calculate the correlation.

Syntax

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Example

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Output: 0.013064233284684893

BITFUNC

Performs a variety of bit operations.

The char_func can be any of these string literals: 'AND', 'OR', or 'XOR'. This argument determines the bitwise operation that is performed on arguments x and y.

Syntax

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Parameter

Data Type

Description

character_func

CHAR

This argument determines the bitwise operation that is performed on arguments x and y.



Can be any of these string literals: 'AND', 'OR', or 'XOR'.



To perform bit operations using a NOT operator, use the BITNOT function.

x

INT

A numeric value to be evaluated by the function.

y

INT

A numeric value to be evaluated by the function.

Example

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Output: 8

Example

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Output: 15

Example

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Output: 7

BITAND

Alias for the BITFUNC syntax BITFUNC('AND', x, y).

BITNOT

Returns the bitwise negation of integral_x.

Syntax

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Example

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Output: -2

BITOR

Alias for the BITFUNC syntax BITFUNC('OR', x, y).

BITXOR

Alias for the BITFUNC syntax BITFUNC('XOR', x, y).

BOOLFUNC

Performs a Boolean logical evaluation on arguments x and y. Numbers equal to 0 evaluate to false, and numbers not equal to 0 evaluate to true.

Syntax

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Parameter

Data Type

Description

char_func

CHAR

This argument determines the Boolean operation that is performed on arguments x and y.



Can be any of these string literals: 'AND', 'OR', or 'XOR'.



To perform operations using a NOT operator, use the BOOLNOT function.

x

INT

A numeric value to be evaluated by the function.

y

INT

A numeric value to be evaluated by the function.

Example

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Output: false

Example

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Output: true

Example

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Output: true

BOOLAND

Alias for the BOOLFUNC syntax BOOLFUNC('AND', x, y).

BOOLNOT

Returns the logical negation of the BOOLFUNC function. Numbers equal to 0 evaluate to true, and numbers not equal to 0 evaluate to false.

Syntax

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Example

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Output: true

BOOLOR

Alias for the BOOLFUNC syntax BOOLFUNC('OR', x, y).

BOOLXOR

Alias for the BOOLFUNC syntax BOOLFUNC('XOR', x, y).

CBRT

Returns the cube root of the numeric value x.

Syntax

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Example

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Output: 4.0

CDF

The cumulative distribution function of the standard normal distribution. Returns the probability that a random sample is less than or equal to the specified value.

Read more about the cumulative distribution function here.

Syntax

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Example

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Output: 0.9331927987311419

CEIL

Returns nearest integer greater than or equal to x.

Syntax

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Example

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Output: 24.0

CEILING

Alias for CEIL.

COS

Returns the cosine of x.

Syntax

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Example

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Output: -0.4161468365471424

COSH

Returns the hyperbolic cosine of x.

Syntax

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Example

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Output: 3.7621956910836314

COT

Returns the cotangent of x.

Syntax

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Example

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Output: -0.45765755436028577

DEGREES

Returns the corresponding angle in degrees for x in radians.

Syntax

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Example

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Output: 85.94366926962348

DIV

Returns the result of x divided by y. If y is zero, returns NULL.

Syntax

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Example

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Output: 5

ERF

The error function is used for measurements that follow a normal distribution. Can be used to find the probability that the error of single measurement lies between [-a, a]. Read more about the error function here.

Syntax

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Example

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Output: 1.0

ERFC

The complement of the error function. ERFC(x) = 1 - ERF(x).

Syntax

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Example

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Output: 1.1224297172982928E-29

EXP

Returns the exponential of x (e raised to the power of x).

Syntax

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Example

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Output: 2.718281828459045

FLOOR

Returns nearest integer less than or equal to x.

Syntax

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Example

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Output: 22.0

GAMMA

Read more about the gamma function here.

Syntax

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Example

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Output: 40319.99999999999

HEXBINX

Returns the x-coordinate of the center of the nearest hexagonal bin to the point (x, y). Hexagonal bins have a side length of 1.

Syntax

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Example

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Output: 4.5

HEXBINY

Returns the y-coordinate of the center of the nearest hexagonal bin to the point (x, y). Hexagonal bins have a side length of 1.

Syntax

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Example

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Output: 7.794

IERF

The inverse of the ERF error function.

Syntax

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Example

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Output: 0.0

IERFC

The inverse of the complement of the error function.

Syntax

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Example

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Output: 0.0

LEAKYRELU

Returns the leaky rectified linear unit function of x.

If unspecified, the optional numeric_value_slope argument defaults to 0.01.

Syntax

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Example

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Output: -0.4

LEFT_SHIFT

Returns x shifted to the left by y bits. If y is less than 0, then x shifts to the right by the absolute value. The function throws an out of range error if you attempt a shift into the sign-bit.

Syntax

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Example

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Output: 4

LN

Returns the natural logarithm of x (base e or 2.171828…).

Syntax

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Example

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Output: 0.6931471805599453

LOG2

Returns the base 2 logarithm of x.

Syntax

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Example

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Output: 1.0

LOG

Returns the base 10 logarithm of x.

The optional base argument specifies the numeral system to use. If unspecified, the function defaults to base 10.

Syntax

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Example

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Output: 0.3010299956639812

LOG_GAMMA

The natural logarithm of the absolute value of the gamma function.

Syntax

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Example

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Output: 12.80182748008147

MOD

Returns the remainder from x divided by y.

Syntax

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Example

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Output: 2

PI

Returns the constant value of π.

Syntax

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Example

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Output: 3.141592653589793

PMOD

Returns the smallest non-negative equivalence class of x % y.

Syntax

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Example

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Output: 2

POWER

Returns x raised to the power of y. The return type FLOAT is returned for a FLOAT input, DECIMAL for DOUBLE input, and BIGINT otherwise.

Syntax

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Example

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Output: 16

PROBIT

The inverse of the cumulative distribution function. The function accepts only decimal values between 0 and 1.

Read more about the PROBIT function here.

Syntax

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Example

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Output: -0.2533471031357998

RADIANS

Returns the corresponding angle in radians for x in degrees.

Syntax

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Example

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Output: 0.03490658503988659

RAND

Takes no argument and returns a random DOUBLE value in the range [0, 1).

Syntax

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Example

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Output: 0.6053105024272647

RELU

Returns the rectified linear unit function of x.

Syntax

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Example

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Output: 0.0

RIGHT_SHIFT

Returns x shifted to the right by y bits. If y is less than 0, then x shifts to the left by the absolute value of y in bits. The function throws an out-of-range error if you attempt a shift into the sign-bit.

Syntax

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Example

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Output: 2

ROUND

Returns x rounded to the nearest integer.

Syntax

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Example

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Output: 12.0

SIGN

Returns the positive (+1), zero (0), or negative (-1) sign of x.

Syntax

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Example

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Output: 1

Example

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Output: 0

Example

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Output: -1

SIN

Returns the sine of x.

Syntax

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Example

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Output: 0.9092974268256817

SINH

Returns the hyperbolic sine of x.

Syntax

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Example

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Output: 3.626860407847019

SQRT

Returns the square root of x.

Syntax

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Example

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Output: 9

SQUARE

Returns the square of x.

Syntax

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Example

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Output: 49

TAN

Returns the tangent of x.

Syntax

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Example

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Output: -5.52037992250933

TANH

Returns the hyperbolic tangent of x.

Syntax

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Example

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Output: 0.9413755384972874

TRUNC

Returns x truncated to y decimal places.

Syntax

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Example

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Output: 1.234

TRUNCATE

Alias for TRUNC.