The preconfigured data layer objects, which we discussed in the previous sections—tables, columns, indexes, and user keys - which are defined in the out of the box Siebel Repository by Oracle, are protected against modifications.
This means that developers are not allowed to make changes to the standard data layer objects by any means. This includes direct or indirect manipulation of tables or indexes using SQL scripts, which results in an unsupported state of the Siebel Repository and could lead to severe problems at runtime and during upgrades to newer versions of Siebel CRM.
The only changes allowed are additive in nature, including the following:
Creating custom tables
Creating custom columns in standard tables
Creating custom indexes on custom and standard tables
Note
Note that creating additional user keys on standard tables is also not supported.
All these changes must be made by creating or modifying object definitions in Siebel Tools rather than...