The GROUP BY clause affects the STDDEV_SAMP operation.
| IF the query … | THEN STDDEV_SAMP is reported for … |
|---|---|
| specifies a GROUP BY clause | each individual group. |
| does not specify a GROUP BY clause | all the rows in the sample. |
The GROUP BY clause affects the STDDEV_SAMP operation.
| IF the query … | THEN STDDEV_SAMP is reported for … |
|---|---|
| specifies a GROUP BY clause | each individual group. |
| does not specify a GROUP BY clause | all the rows in the sample. |