GROUPING function [Aggregate]

GROUPING function [Aggregate]

Identifies whether a column in a GROUP BY operation result set is NULL because it is part of a subtotal row, or NULL because of the underlying data.

Syntax

GROUPING( group-by-expression )

Parameters

group-by-expression An expression appearing as a grouping column in the result set of a query that uses a GROUP BY clause. This function can be used to identify subtotal rows added to the result set by a ROLLUP or CUBE operation.

Returns

1 Indicates that group-by-expression is NULL because it is part of a subtotal row. The column is not a prefix column for that row.
0 Indicates that group-by-expression is a prefix column of a subtotal row.

See also

Standards and compatibility

Example

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