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CSA · Question #250

For your implementation, the following tables are extended from each other: - Incident table is extended from Task table. - Super Incident table is extended from Incident table. In this situation…

The correct answer is B. Incident table is a Child table F. Incident table is a Parent table G. Super Incident table is a Child table H. Task table is a Parent table I. Task table is a Base table. In a table hierarchy where tables extend each other, a parent table is extended by a child table, and the top-most table in a hierarchy is considered the base table.

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

Question

For your implementation, the following tables are extended from each other:

  • Incident table is extended from Task table.
  • Super Incident table is extended from Incident table.

In this situation, which table(s) are Parent, Child and Base tables? (Choose five.)

Options

  • ASuper Incident table is a Parent table
  • BIncident table is a Child table
  • CSuper Incident table is a Base table
  • DIncident table is a Base table
  • ETask table is a Child table
  • FIncident table is a Parent table
  • GSuper Incident table is a Child table
  • HTask table is a Parent table
  • ITask table is a Base table

How the community answered

(27 responses)
  • A
    7% (2)
  • B
    89% (24)
  • D
    4% (1)

Why each option

In a table hierarchy where tables extend each other, a parent table is extended by a child table, and the top-most table in a hierarchy is considered the base table.

ASuper Incident table is a Parent table

Super Incident table is not a Parent table in this context as no other tables are specified as extending from it.

BIncident table is a Child tableCorrect

Incident table is a Child table because it extends the Task table.

CSuper Incident table is a Base table

Super Incident table is not a Base table as it extends Incident.

DIncident table is a Base table

Incident table is not a Base table as it extends Task.

ETask table is a Child table

Task table is not a Child table as no table is specified that it extends from.

FIncident table is a Parent tableCorrect

Incident table is a Parent table because the Super Incident table extends it.

GSuper Incident table is a Child tableCorrect

Super Incident table is a Child table because it extends the Incident table.

HTask table is a Parent tableCorrect

Task table is a Parent table because the Incident table extends it.

ITask table is a Base tableCorrect

Task table is a Base table because it is the highest-level table in this specific extension hierarchy, not extending from any other specified table.

Concept tested: Table extension hierarchy

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

Topics

#Table Extension#Data Model#Parent-Child Relationship#Base Table

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