Siebel Data Warehouse Installation and Administration Guide > Customizing the Siebel Data Warehouse > Customization Steps for Siebel Data >

Modifying an Existing Column in the Siebel Data Warehouse

• Modifying Full Name in W_PERSON_D with a name in a different format.
• Modifying Tax Total and XYZ in W_ORDERITEM_F with different tax calculation logic.

To modify an existing column in the data warehouse

1. Do not modify the existing column.
2. Use extension table columns for the new value.
3. Refer to the steps for adding an extra column.