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MS SQL

Posted Jan 6, 2003

Introduction to MSSQL Server 2000 Analysis Services Custom Cubes: Financial Reporting (Part I) - Page 13

By William Pearson

The "Select the Columns that Define the Parent-Child Data Hierarchy"dialog appears. We will "fill in" the selector boxes in the following steps:

18.  Select account_id as the member key.

We will use account_id as the index that uniquely defines our member accounts.

19.  Select account_parent as the parent key.

The account parent is the account to which the account "rolls" in summary fashion, and is identified in the account table to provide for hierarchical design just such as this. The parent key acts as the "pointer" to guide rollups of data, as we shall see later.

20.  Select account_description as the member name.

The dialog appears with our selections below.


Illustration 37: The Completed Select the Columns that Define the Parent-Child Data Hierarchy Dialog

21.  Click Next.

22.  Click Next again to skip the Select Advanced Options dialog.

The Finish the Dimension Wizard dialog appears.

23.  Type the word Account into the Dimension Name box.

24.  Uncheck the checkbox (click it once) for Share This Dimension with Other Cubes.

The dialog appears (with expanded Preview), with our selections as shown below.


Illustration 38: The Completed Finish the Dimension Wizard Dialog

The Preview provides a scrollable view of the hierarchy that our selections will generate.

25.  Click Finish to close the Dimension Wizard.

The dialog disappears, leaving the schema view as depicted below, after arrangement:


Illustration 39: The (Arranged) Schema View with Added Dimension Tables

Note that joins between the fact table and the dimension tables are already in place, using the id keys in each. This will often not be the case in a real world design effort, where the appropriate joins (perhaps not as straightforward as those found in our model) would need to be created.

For a practical discussion surrounding, and an examination of the uses of, parent-child dimensions, see Article Four of our series, Parent-Child Dimensions.



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