Siebel Anywhere Administration Guide > Supplementary Information for Specific Upgrade Types >
Performing Database Schema Updates
This section provides special instructions for updating a Siebel database schema using Siebel Anywhere. Typical database schema changes include:
- Adding extension columns to Siebel base tables
NOTE: Due to a technical limitation in the Sybase Adaptive Server Anywhere product, you cannot use Siebel Database Schema Upgrade Kits to add required, non-null extension columns to existing local database tables. If you make this kind of database change, you must deploy it by reextracting your Mobile Web Client users, rather than using a schema upgrade kit.
- Adding extension tables to the Siebel database
- Creating or modifying indexes
This section includes the following subsections: