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Oracle® OLAP Expression Syntax Reference
Release 11.2

Part Number E23381-01
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HIER_DEPTH

HIER_DEPTH returns a number representing the level depth of either all members of a hierarchy or a particular member, where 0 is the top level. The hierarchy can be either level-based or value-based.

Return Value

NUMBER

Syntax

HIER_DEPTH ( 
   [member_expression] [WITHIN]
   {DIMENSION dimension_id | HIERARCHY hierarchy_id} ) 

Arguments

member_expression

Identifies a single dimension member within the hierarchy used for the calculation. If this optional argument is specified, then the result does not vary across dimension members.

dimension_id

The dimension over which the values are calculated using the default hierarchy.

hierarchy_id

The hierarchy over which the values are calculated. If dimension_id is used instead, the default hierarchy is used.

Example

This example returns the depth of each member in the default hierarchy of the Time dimension.

HIER_DEPTH(DIMENSION "TIME")

Time Depth
2006 1
Q1.06 2
Q2.06 2
Q3.06 2
Q4.06 2
JAN-06 3
FEB-06 3
MAR-06 3
APR-06 3
MAY-06 3
JUN-06 3
JUL-06 3
AUG-06 3
SEP-06 3
OCT-06 3
NOV-06 3
DEC-06 3

The next example returns 2 as the depth of Italy in the default Customer hierarchy.

HIER_DEPTH('ITA' WITHIN DIMENSION CUSTOMER)