Search

MATH Functions

MATH Functions

ABS ( numeric_expression )

Returns the absolute (positive) value of the specified numeric expression.

Parameters

  • numeric_expression: The expression of an indeterminate numeric data type except for the bit data type.

Example(s)

SELECT ABS(15);
-- Result: 15

SELECT ABS(-15);
-- Result: 15

ACOS ( float_expression )

Returns the arc cosine, the angle in radians whose cosine is the specified float expression.

Parameters

  • float_expression: The float expression that specifies the cosine of the angle to be returned. Values outside the range from -1 to 1 return null.

Example(s)

SELECT ACOS(0.5);
-- Result: 1.0471975511966

ASIN ( float_expression )

Returns the arc sine, the angle in radians whose sine is the specified float expression.

Parameters

  • float_expression: The float expression that specifies the sine of the angle to be returned. Values outside the range from -1 to 1 return null.

Example(s)

SELECT ASIN(0.5);
-- Result: 0.523598775598299

ATAN ( float_expression )

Returns the arc tangent, the angle in radians whose tangent is the specified float expression.

Parameters

  • float_expression: The float expression that specifies the tangent of the angle to be returned.

Example(s)

SELECT ATAN(10);
-- Result: 1.47112767430373

ATN2 ( float_expression1 , float_expression2 )

Returns the angle in radians between the positive x-axis and the ray from the origin to the point (y, x) where x and y are the values of the two specified float expressions.

Parameters

  • float_expression1: The float expression that is the y-coordinate.
  • float_expression2: The float expression that is the x-coordinate.

Example(s)

SELECT ATN2(1, 1);
-- Result: 0.785398163397448

CEILING ( numeric_expression ) or CEIL( numeric_expression )

Returns the smallest integer greater than or equal to the specified numeric expression.

Parameters

  • numeric_expression: The expression of an indeterminate numeric data type except for the bit data type.

Example(s)

SELECT CEILING(1.3);
-- Result: 2

SELECT CEILING(1.5);
-- Result: 2

SELECT CEILING(1.7);
-- Result: 2

COS ( float_expression )

Returns the trigonometric cosine of the specified angle in radians in the specified expression.

Parameters

  • float_expression: The float expression of the specified angle in radians.

Example(s)

SELECT COS(1);
-- Result: 0.54030230586814

COT ( float_expression )

Returns the trigonometric cotangent of the angle in radians specified by float_expression.

Parameters

  • float_expression: The float expression of the angle in radians.

Example(s)

SELECT COT(1);
-- Result: 0.642092615934331

DEGREES ( numeric_expression )

Returns the angle in degrees for the angle specified in radians.

Parameters

  • numeric_expression: The angle in radians, an expression of an indeterminate numeric data type except for the bit data type.

Example(s)

SELECT DEGREES(3.1415926);
-- Result: 179.999996929531

EXP ( float_expression )

Returns the exponential value of the specified float expression. For example, EXP(LOG(20)) is 20.

Parameters

  • float_expression: The float expression.

Example(s)

SELECT EXP(2);
-- Result: 7.38905609893065

EXPR ( expression )

Evaluates the expression.

Parameters

  • expression: The expression. Operators allowed are +, -, *, /, ==, !=, >, <, >=, and <=.

Example(s)

SELECT EXPR('1 + 2 * 3');
-- Result: 7

SELECT EXPR('1 + 2 * 3 == 7');
-- Result: true

FLOOR ( numeric_expression )

Returns the largest integer less than or equal to the numeric expression.

Parameters

  • numeric_expression: The expression of an indeterminate numeric data type except for the bit data type.

Example(s)

SELECT FLOOR(1.3);
-- Result: 1

SELECT FLOOR(1.5);
-- Result: 1

SELECT FLOOR(1.7);
-- Result: 1

GREATEST(int1,int2,….)

Returns the greatest of the supplied integers.

Example(s)

SELECT GREATEST(3,5,8,10,1)
-- Result: 10

HEX(value)

Returns a the equivalent hex for the input value.

Parameters

  • value: A string or numerical value to be converted into hex.

Example(s)

SELECT HEX(866849198);
-- Result: 33AB11AE

SELECT HEX('Sample Text');
-- Result: 53616D706C652054657874

LEAST(int1,int2,….)

Returns the least of the supplied integers.

Example(s)

SELECT LEAST(3,5,8,10,1)
-- Result: 1

LOG ( float_expression [, base ] )

Returns the natural logarithm of the specified float expression.

Parameters

  • float_expression: The float expression.
  • base: The optional integer argument that sets the base for the logarithm.

Example(s)

SELECT LOG(7.3890560);
-- Result: 1.99999998661119

LOG10 ( float_expression )

Returns the base-10 logarithm of the specified float expression.

Parameters

  • float_expression: The expression of type float.

Example(s)

SELECT LOG10(10000);
-- Result: 4

MOD(dividend,divisor)

Returns the integer value associated with the remainder when dividing the dividend by the divisor.

Parameters

  • dividend: The number to take the modulus of.
  • divisor: The number to divide the dividend by when determining the modulus.

Example(s)

SELECT MOD(10,3);
-- Result: 1

NEGATE(real_number)

Returns the opposite to the real number input.

Parameters

  • real_number: The real number to find the opposite of.

Example(s)

SELECT NEGATE(10);
-- Result: -10

SELECT NEGATE(-12.4)
--Result: 12.4

PI ( )

Returns the constant value of pi.

Example(s)

SELECT PI()
-- Result: 3.14159265358979

POWER ( float_expression , y )

Returns the value of the specified expression raised to the specified power.

Parameters

  • float_expression: The float expression.
  • y: The power to raise float_expression to.

Example(s)

SELECT POWER(2, 10);
-- Result: 1024

SELECT POWER(2, -2);
-- Result: 0.25

RADIANS ( float_expression )

Returns the angle in radians of the angle in degrees.

Parameters

  • float_expression: The degrees of the angle as a float expression.

Example(s)

SELECT RADIANS(180);
-- Result: 3.14159265358979

RAND ( [ integer_seed ] )

Returns a pseudorandom float value from 0 through 1, exclusive.

Parameters

  • seed: The optional integer expression that specifies the seed value. If seed is not specified, a seed value at random will be assigned.

Example(s)

SELECT RAND();
-- This result may be different, since the seed is randomized
-- Result: 0.873159630165044

SELECT RAND(1);
-- This result will always be the same, since the seed is constant
-- Result: 0.248668584157093

ROUND ( numeric_expression [ ,integer_length] [ ,function ] )

Returns the numeric value rounded to the specified length or precision.

Parameters

  • numeric_expression: The expression of a numeric data type.
  • length: The optional precision to round the numeric expression to. When this is ommitted, the default behavior will be to round to the nearest whole number.
  • function: The optional type of operation to perform. When the function parameter is omitted or has a value of 0 (default), numeric_expression is rounded. When a value other than 0 is specified, numeric_expression is truncated.

Example(s)

SELECT ROUND(1.3, 0);
-- Result: 1

SELECT ROUND(1.55, 1);
-- Result: 1.6

SELECT ROUND(1.7, 0, 0);
-- Result: 2
SELECT ROUND(1.7, 0, 1);
-- Result: 1

SELECT ROUND (1.24);
-- Result: 1.0

SIGN ( numeric_expression )

Returns the positive sign (1), 0, or negative sign (-1) of the specified expression.

Parameters

  • numeric_expression: The expression of an indeterminate data type except for the bit data type.

Example(s)

SELECT SIGN(0);
-- Result: 0

SELECT SIGN(10);
-- Result: 1

SELECT SIGN(-10);
-- Result: -1

SIN ( float_expression )

Returns the trigonometric sine of the angle in radians.

Parameters

  • float_expression: The float expression specifying the angle in radians.

Example(s)

SELECT SIN(1);
-- Result: 0.841470984807897

SQRT ( float_expression )

Returns the square root of the specified float value.

Parameters

  • float_expression: The expression of type float.

Example(s)

SELECT SQRT(100);
-- Result: 10

SQUARE ( float_expression )

Returns the square of the specified float value.

Parameters

  • float_expression: The expression of type float.

Example(s)

SELECT SQUARE(10);
-- Result: 100

SELECT SQUARE(-10);
-- Result: 100

TAN ( float_expression )

Returns the tangent of the input expression.

Parameters

  • float_expression: The expression of type float.

Example(s)

SELECT TAN(1);
-- Result: 1.5574077246549

TRUNC(decimal_number,precision)

Returns the supplied decimal number truncated to have the supplied decimal precision.

Parameters

  • decimal_number: The decimal value to truncate.
  • precision: The number of decimal places to truncate the decimal number to.

Example(s)

SELECT TRUNC(10.3423,2);
-- Result: 10.34