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> Mirror of <https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/grouping.html> (Salesforce, Data 360 Query Guide), read 2026-10-23. Salesforce's own page is the authority; this copy exists because that site refuses non-browser readers.

## `GROUPING`

**Applies to:** ✅ Data 360 SQL ✅ Tableau Hyper API

Returns a bit mask indicating which `GROUP BY` expressions are not included in the current grouping set.

*   `<group_by_expression>`: One or more expressions that must exactly match expressions in the `GROUP BY` clause.

Returns an integer bit mask. Each bit corresponds to an argument, with the rightmost argument as the least-significant bit. A bit is 0 if the expression is in the grouping set; 1 if it is not.

*   Used with grouping sets (`ROLLUP`, `CUBE`, `GROUPING SETS`) to identify which columns were aggregated.
*   Maximum of 31 expressions can be used as arguments.
*   Arguments are not evaluated but must exactly match `GROUP BY` expressions.
*   Helps distinguish between actual NULL values and NULLs representing aggregated rows.

Identify aggregation levels with ROLLUP.

Returns:

| make | model | grouping | sum |
| --- | --- | --- | --- |
| Foo | GT | 0 | 10 |
| Foo | Tour | 0 | 20 |
| Bar | City | 0 | 15 |
| Bar | Sport | 0 | 5 |
| Foo | NULL | 1 | 30 |
| Bar | NULL | 1 | 20 |
| NULL | NULL | 3 | 50 |

*   `0`: Both make and model are grouped.
*   `1`: model is aggregated (not grouped).
*   `3`: Both make and model are aggregated.

Use GROUPING to filter specific aggregation levels.

Returns only the subtotals by make (where model is aggregated).

*   [GROUP BY Clause](https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/select-group-by.html)
*   [Aggregate Functions](https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/dc-sql-reference/aggregate.html)


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