Products Downloads


French version


 

 

Mobile DBMS version: this function is not permitted with DB2 or Oracle.

 

Syntax

ARC_TANGENT(Argument)

 

Description

The ARC_TANGENT SQL scalar function returns the arc tangent of a number, in radians.

The ARC_TANGENT and TANGENT functions are inverse operations.

 

The argument must be a number.

 

The data type of the result is double-precision floating point.

If the argument can be null, the result can be null; if the argument is null, the result is the null value.

 

The result is in the range (-&pi./2, &pi./2).

 

Example

Assume the column ATANGENT is a decimal (10,8) column with a value of 14.10141995.

 

ARC_TANGENT(ATANGENT)

 

Returns the approximate value 1.50.

 

List of SQL scalar functions by topic

 

↑ Top of page


  • Aucune étiquette