optional To make this date hierarchy template the default, select the Set as

13-12 Oracle Fusion Middleware Administrators Guide for Oracle Business Intelligence Discoverer If you then create a new date hierarchy WWDD and assign it to Transaction Date, Discoverer creates the following additional items in the folder: ■ Transaction Date WW ■ Transaction Date DD Discoverer does not delete the other three date items created previously. To apply a date hierarchy template to a date item:

1.

Click the date item on the Data tab and choose Edit | Properties to display the Item Properties dialog . Tip : To apply a single date hierarchy template to more than one date item at a time, select all the date items before opening the Properties dialog. For more information, see How to edit item properties . 2. Select the date hierarchy template for this date item to use from the drop-down list in the Date Hierarchy field. Select None to make the date item not use a date hierarchy template. 3. Click OK. How to set the default date hierarchy template The default date hierarchy template is displayed as the default selection in the Load Wizard step 4 in the Date hierarchies, using: drop down list. For more information see Load Wizard: Step 4 dialog . To set the default date hierarchy template:

1.

Expand the Date hierarchy templates on the Workarea: Hierarchies tab to display all the date hierarchy templates. 2. Select the date hierarchy template you want to set as the default. 3. Choose Edit | Edit…to display the Edit Hierarchy dialog: Name tab .

4. Select the Set as default date hierarchy check box on the Name tab.

5. Click OK. How to delete item hierarchies or date hierarchy templates To delete item hierarchies or date hierarchy templates:

1.

Select the item hierarchy or date hierarchy template on the Workarea: Hierarchies tab . You can select more than one hierarchy at a time by holding down the Ctrl key and clicking another hierarchy. 2. Choose Edit | Delete to open the Confirm Delete dialog . 3. optional To see the objects that might be affected by deleting this hierarchy or hierarchy template: a. Click Impact to display the Impact dialog . Creating and Maintaining Hierarchies 13-13 Figure 13–15 The Impact dialog The Impact dialog enables you to review the other EUL objects that might be affected when you delete a hierarchy or hierarchy template. Note: The Impact dialog does not show the impact on workbooks saved to the file system that is, in .dis files.

b. optional Select a row to view text at the bottom of the list, indicating what

affect the current action will have on the EUL object.

c. When you have finished reviewing the impact of deleting the hierarchy or

hierarchy template, click Close to close the Impact dialog.

4. Click Yes to delete the selected hierarchies or hierarchy templates.

How to modify default date hierarchies that use date format ’RR’ following upgrade to Oracle Business Intelligence Discoverer Administrator After upgrading to Oracle Business Intelligence Discoverer Administrator, if a date format in a default date hierarchy uses the date format ’RR’ you must modify it to ’YYYY’ and then remove any affected date items that is, date items that use the ’RR’ date format from the business area. This action is necessary to ensure that materialized views can be successfully created for more information about materialized views, see What are materialized views? . To modify a default date hierarchy that uses the date format ’RR’ so that it uses ’YYYY’ you must complete the following tasks: ■ Modify default date hierarchy replacing the date format ’RR’ with ’YYYY’ ■ Remove remaining date items that use the date format ’RR’ Modify default date hierarchy replacing the date format ’RR’ with ’YYYY’ To modify a default date hierarchy to use the date format ’YYYY’:

1. Click the

Workarea: Hierarchies tab .

2. Expand Date hierarchy templates then highlight the default date hierarchy that

uses the date format ’RR’.