How to generate a parent-child relationship table?

How to generate a parent-child relationship table?

In the Generate Parent-Child Relationship Table wizard, you must provide a enter name for the DDL Script to Generate the Parent-Child Table, and select the location for storing the generate script. You must also supply a name for the parent-child relationship table and select the catalog or schema for the parent-child relationship table.

How to create a parent-child hierarchy in Excel?

In the Logical Dimension dialog on the General tab, type a name for the dimension. Click Browse located next to the Member Key field. Select a Member Key for the parent-child hierarchy, and click OK. Click Browse beside the Parent Key field. Select a column for the Parent Key for the parent-child hierarchy and click OK.

How are parent child dimensions constructed in Excel?

However, parent-child dimensions construct parent-child hierarchies by examining the data that the dimension main table contains, and then evaluating the parent-child relationships between the records in the table. For more information about parent-child hierarchies, see User Hierarchies.

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.

What’s the difference between parent table and child table?

The distinction is that in a true parent-child relationship, records typically don’t stand are their own very well – they are detail records for the parent and are not useful without the parent table info.

How to define parent child hierarchy in BI server?

For each Oracle BI Server parent-child hierarchy defined on a relational table, you must also explicitly define the inter-member relationships in a separate parent-child relationship table. The parent-child relationship table must include four columns, as follows: An ancestor is the parent of the member, or a higher-level ancestor.

How are tasks stored in parent child relation?

All tasks should be kept in a Task table, because subtasks after all are just tasks. The relationship between tasks should be stored in a second table that has columns to identify the parent/sub task relationship based on a foreign-key relationship with the Tasks table, and which together would form a composite primary key.