How to create dimension with parent-child hierarchy?

How to create dimension with parent-child hierarchy?

Right-click a business model, select New Object, select Logical Dimension, and then select Dimension with Parent-Child Hierarchy. Right-click a dimension table that isn’t associated with any dimension and select Create Logical Dimension, then select Dimension with Parent-Child Hierarchy .

How does the schema of a parent-child hierarchy work?

The dimension schema of a parent-child hierarchy depends on a self-referencing relationship present on the dimension main table. For example, the following diagram illustrates the DimOrganization dimension main table in the AdventureWorksDW2012 sample database.

How are parent-child relationships defined in a relational table?

In relational tables, the relationships between different members in a parent-child hierarchy are implicitly defined by the identifier key values in the associated base table.

How to create parent-child relationship in database?

In a parent-child type relationship, only 1 record is added and 1 row shows if the task is a parent or a child and its relationship to its parent. ParentID Null is explicit, it’s the parent. With the 2 table approach you need to join 3 tables :

Right-click a business model, select New Object, select Logical Dimension, and then select Dimension with Parent-Child Hierarchy. Right-click a dimension table that isn’t associated with any dimension and select Create Logical Dimension, then select Dimension with Parent-Child Hierarchy .

The dimension schema of a parent-child hierarchy depends on a self-referencing relationship present on the dimension main table. For example, the following diagram illustrates the DimOrganization dimension main table in the AdventureWorksDW2012 sample database.

In relational tables, the relationships between different members in a parent-child hierarchy are implicitly defined by the identifier key values in the associated base table.

In a parent-child type relationship, only 1 record is added and 1 row shows if the task is a parent or a child and its relationship to its parent. ParentID Null is explicit, it’s the parent. With the 2 table approach you need to join 3 tables :