| ANSI | DB2 | SQL/DS | XDB |
|---|---|---|---|
| X |
An XDB Server statistical function for finding the standard deviation of a column. Null values are ignored. The format appears below:
XSTDDEV(x)
where the parameter x is a numeric column.
Note that XSTDDEV(x) is the same as (XVAR(x))E+1/2. The formula used for computing standard deviation is:
