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ABS
ABS
Syntax
74
Scalar functions
Scalar functions calculate a value based on another single value. Scalar functions are also called
value functions and can be nested.
Computes the absolute value of expression.
Example This example illustrates the ABS function:
Notes • The argument to the function must be of type TINYINT, SMALLINT, INTEGER, NUMERIC,
REAL, or FLOAT.
ACOS
Syntax
ABS ( expression )
SELECT ABS (MONTHS_BETWEEN (SYSDATE, order_date))
FROM orders
WHERE ABS (MONTHS_BETWEEN (SYSDATE, order_date)) > 3 ;
• The result is of type NUMERIC.
• If the argument expression evaluates to NULL, the result is NULL.
Compatibility
ODBC compatible
Returns the arccosine of expression.
ACOS ( expression )
Example In this example, which illustrates two ways to use the ACOS function, the first SELECT statement
returns the arcosine in radians, and the second returns the arcosine in degrees: