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Oracle® OLAP Expression Syntax Reference
Release 11.2

E23381-01
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HIER_CHILD_COUNT

HIER_CHILD_COUNT returns the number of children of either all dimension members in a hierarchy or a particular member. The hierarchy can be either level-based or value-based.

Return Value

NUMBER

Syntax

HIER_CHILD_COUNT ( 
   [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 number of children for each member of the default hierarchy of the Time dimension.

HIER_CHILD_COUNT(DIMENSION "TIME")

Time Children
2006 4
Q1.06 3
Q2.06 3
Q3.06 3
Q4.06 3
JAN-06 0
FEB-06 0
MAR-06 0
APR-06 0
MAY-06 0
JUN-06 0
JUL-06 0
AUG-06 0
SEP-06 0
OCT-06 0
NOV-06 0
DEC-06 0

The next example returns 8 as the number of children for Government within the Market hierarchy of the Customer dimension.

HIER_CHILD_COUNT('GOV' WITHIN HIERARCHY CUSTOMER.MARKET)