Categories:

Aggregate functions (Counting Distinct Values)

BITMAP_BIT_POSITION¶

Given a numeric value, returns the relative position for the bit that represents that value in a bitmap.

See also:

Using Bitmaps to Compute Distinct Values for Hierarchical Aggregations

Syntax¶

BITMAP_BIT_POSITION( <numeric_expr> )
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Arguments¶

numeric_expr

This expression must evaluate to a data type that can be cast to NUMBER.

Returns¶

The function returns the zero-based position of the bit for that value in a bitmap.

Examples¶

See Using Bitmaps to Compute Distinct Values for Hierarchical Aggregations.