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CSA · Question #32

Which of the following statements is true when a new table is created by extending another table?

The correct answer is C. The new table inherits all of the fields of the parent table and can also contain new fields unique. When a new table is created by extending another table, it inherits all fields from the parent table and can also include its own unique fields.

Submitted by ngozi_ng· Apr 18, 2026Database Management and Platform Security

Question

Which of the following statements is true when a new table is created by extending another table?

Options

  • AThe new table archives the parent table and assumed its roles in the database
  • BThe new table inherits all of the Business Rules, Client Scripts, and UI Policies of the parent
  • CThe new table inherits all of the fields of the parent table and can also contain new fields unique
  • DThe new table inherits all of the fields, but does not inherit Access Control rules, Client Scripts,

How the community answered

(26 responses)
  • B
    4% (1)
  • C
    88% (23)
  • D
    8% (2)

Why each option

When a new table is created by extending another table, it inherits all fields from the parent table and can also include its own unique fields.

AThe new table archives the parent table and assumed its roles in the database

Extending a table does not archive the parent table; it creates a new, separate table that builds upon the parent's structure.

BThe new table inherits all of the Business Rules, Client Scripts, and UI Policies of the parent

While child tables can leverage parent configurations, they do not automatically inherit all Business Rules, Client Scripts, and UI Policies; these often require specific inheritance configurations or are designed for the parent table directly.

CThe new table inherits all of the fields of the parent table and can also contain new fields uniqueCorrect

Extending a table fundamentally creates a new table that includes all fields from the parent table, allowing for field reuse and consistent data structures across related tables. Additionally, the child table can have its own specific fields to store information unique to that extended table, providing specialization while maintaining commonalities.

DThe new table inherits all of the fields, but does not inherit Access Control rules, Client Scripts,

This statement is partially incorrect as extended tables do inherit all fields, and the claim that they do not inherit Access Control rules, Client Scripts, etc., is not always true, as some can be inherited or applied contextually.

Concept tested: Table extension and inheritance

Source: https://docs.servicenow.com/bundle/utah-platform-administration/page/administer/table-administration/concept/c_TableAdministration.html#c_ExtendingATable

Topics

#Table Extension#Table Inheritance#Custom Tables#Data Model

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