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How would you distinguish between a Base Class table and a Parent Class table?
Correct Answer: B
In ServiceNow, tables follow an inheritance model, where tables can be extended from other tables. The distinction between Base Class tables and Parent Class tables is as follows: Definitions: Base Class Table: A Base Class table is not extended from any other table. It exists at the top level in the table hierarchy. Example: Task [task], Configuration Item [cmdb_ci] are base tables. Parent Class Table: A Parent Class table may be extended from another table but also has tables extending from it. It acts as a bridge between the base table and other extended tables. Example: Change Request [change_request] extends from Task [task], making Task the base class and Change Request a parent class to other change-related tables. Why Other Options Are Incorrect? A . Base Class tables always have tables extended from them, Parent tables do not have tables extended from them. Incorrect because not all base tables have extensions. Parent tables do have extended tables. C . Extended tables can be extended from Parent tables or Base tables, but they cannot be extended from both. Incorrect because extended tables can inherit from other extended tables in a multi-level hierarchy. D . Extended tables are always extended from Parent tables, Extended tables are usually extended from Base tables. Incorrect because extended tables can come from either Base or Parent tables, not just Parent tables. Official ServiceNow Documentation Reference: Table Inheritance in ServiceNow Extending Tables