Round to next even number by rounding away from zero.
EVEN(<a>)
| Parameter | Description |
|---|---|
<a> | A numeric expression to round to the next even integer |
Returns an even integer based on the following rules:
select even(2.9);
+-----------+ | even(2.9) | +-----------+ | 4 | +-----------+
select even(-2.9);
+------------+ | even(-2.9) | +------------+ | -4 | +------------+
select even(4);
+---------+ | even(4) | +---------+ | 4 | +---------+
select even(NULL);
+------------+ | even(NULL) | +------------+ | NULL | +------------+