SNOW-CAD Creating and customizing tables and data Practice Question
A ServiceNow instance has a custom table 'u_staff' extended from the User table. A business rule on the 'User' table updates the 'Active' field. When updating a user record, the business rule does not fire for records in 'u_staff'. What is the most likely reason?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Business rules on the User table do not fire on child table records
Business rules on a parent table (User) do not automatically fire on child table records (u_staff) unless the business rule is configured to run on descendant tables. By default, business rules operate only on the table they are defined on. Option A is incorrect because permission is not the issue; the rule simply isn't triggered. Option C is incorrect because even without a specific condition, the rule won't fire on child tables. Option D is incorrect because ordering affects execution order, not whether the rule fires at all.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The user does not have permission to run business rules on the 'u_staff' table
Why it's wrong here
Business rules run with system privileges; permissions are not a factor for execution.
- ✓
Business rules on the User table do not fire on child table records
Why this is correct
By default, business rules on a base table do not extend to child tables. You must set the 'Inherited' checkbox on the business rule to fire on child records.
- ✗
The business rule has a condition that only allows running on User table records
Why it's wrong here
Even without a condition, business rules on the User table do not automatically fire on child tables.
- ✗
The business rule ordering is set too low and is being skipped
Why it's wrong here
Ordering affects sequence, not whether the rule fires on child tables.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SNOW-CAD practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CAD exam.