Type the text of the hint in the Hint field and click OK.

Working with Physical Tables, Cubes, and Joins 7-43 – Physical Foreign Key – Complex Join

2. Type the text of the hint in the Hint field and click OK.

For a description of available Oracle hints and hint syntax, see Oracle Database SQL Language Reference for the version of the Oracle Database that you use. Displaying and Updating Row Counts for Physical Tables and Columns When you request row counts, the Administration Tool retrieves the number of rows from the data source for all or selected tables and columns distinct values are retrieved for columns and stores those values in the repository. The time this process takes depends upon the number of row counts retrieved. When updating all row counts, the Updating Row Counts window appears while row counts are retrieved and stored. If you click Cancel, the retrieve process stops after the in-process table and its columns have been retrieved. Row counts include all tables and columns for which values were retrieved before the cancel operation. Updating all row counts for a large repository might take a long time to complete. Therefore, you sometimes might want to update only selected table and column counts. Row counts are not available for the following: ■ Stored Procedure object types ■ XML data sources and XML Server data sources ■ Multidimensional data sources ■ Data sources that do not support the COUNTDISTINCT function, such as Microsoft Access and Microsoft Excel, or data sources for which COUNT_STAR_SUPPORTED has been disabled in the database features table ■ In online mode, Update Row Count does not work with connection pools in which the session variables :USER and :PASSWORD are set as the user name and password. In offline mode, the Set values for variables dialog appears so that you can populate the session variables :USER and :PASSWORD. ■ In online mode, after importing or manually creating a physical table or column, the Oracle BI Server does not recognize the new objects until you check them in. Therefore, Update Row Count is not available in the menu until you check in these objects. To display row counts in the Physical layer: 1. In the Administration Tool, select Tools, then select Options. 2. In the General tab of the Options dialog, select Show row count in physical view, and then click OK. To update selected row counts in the Physical layer: Note: Although hints are identified using SQL comment markers or --, do not type SQL comment markers when you type the text of the hint. The Oracle BI Server inserts the comment markers when the hint is executed. 7-44 Metadata Repository Builders Guide for Oracle Business Intelligence Enterprise Edition 1. In the Physical layer of the Administration Tool, right-click a single table or column. You can select multiple objects and then right-click.

2. In the shortcut menu, select Update Row Count.