Considerations for custom schema changes
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 ...
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