Configuring Siebel eBusiness Applications > Configuring Tables and Columns >

Using Static 1:M Extension Tables

There are more than 20 predefined tables that have one-to-many relationships with base tables. These tables have the suffix _XM. They have generic columns that you can use to store additional data. They allow you to track entities that do not exist in standard Siebel applications and have a 1:M relationship to an existing base table. Because the extension tables themselves are already part of the data model, you do not need to modify the database schema.

For information on how to display data from static 1:M extension tables, see About Extension Tables.