SQL Math function

The math functions are shown in the following table:

Function	Parameters	Function
ASIN, ACOS, Atan	(float_expr)	To find the float_expr string, the inverse cosine, the anyway tangent
ATN2	(FLOAT_EXPR1,FLOAT_EXPR2)	For FLOAT_EXPR1/FLOAT_EXPR2 's sake cut
SIN, COS, TAN, COT	(float_expr)	To find the sine, cosine and tangent of float_expr
DEGREES	(numeric_expr)	Convert radians to degrees
RADIANS	(numeric_expr)	Convert degrees to radians
Exp	(float_expr)	To find the exponential value of float_expr
Power	(numeric_expr,y)	To ask for the Y-numeric_expr of the second party
SQRT	(float_expr)	To find the square root of float_expr
LOG	(float_expr)	To find the natural logarithm of float_expr
Logio	(float_expr)	Find the logarithm of the float_expr with a 10 base
Abs	(numeric_expr)	To find the absolute value of numeric_expr
Geiling	(numeric_expr)	Returns the smallest integer greater than or equal to numeric_expr
FLOOR	(numeric_expr)	Returns the largest integer less than or equal to numeric_expr
RAND	({seed})	Returns a random floating-point number from 0 to 1, possibly using an integer expression to specify its initial value
Pi	()	return constant 3.141592653589793
ROUND	(numeric_expr,length)	Rounds the value after the numeric_expr decimal point, leaving the number of decimal digits to length
SIGN	(numeric_expr)	Returns 1, 0,-1 values when the numeric_expr value is positive, 0, or negative