InServiceNow, thetasktable is the parent tablefor many ITSM processes, includingincidents, problems, changes, and requests.
taskis a Parent Table
Thetasktableis abase tablethat containscommon fieldsshared by multiple process tables.
Fields likeShort Description, Assignment Group, Assigned To, and Stateexist intaskand areinherited by its child tables.
incidentTable Extendstask
Theincidenttableinherits fields from thetasktable, addingincident-specific fieldssuch as:
Impact
Urgency
Priority
This extension allowsincidents to share common workflow actionswith other task-based tables.
Why is "Incident Table is Extended from Task Table" the Correct Answer?
Hierarchy Example:Table Name
Extends From
Purpose
task
(Base Table)
Parent table for task-related records.
incident
task
Stores incidents (support issues).
problem
task
Stores problems (root cause analysis).
change_request
task
Stores change requests.
A.incidenttable has a many-to-many relationship with thetasktable.Incorrect– Theincidenttableextendstask(inheritance), but they donot have a many-to-many (M2M) relationship.
B.incidenttable has a one-to-many relationship with thetasktable.Incorrect–incidentdoes not own multiple tasks; rather,it is a child oftask.
D.incidenttable is related to thetasktable via the INC number.Incorrect– The"INC" number is just a record identifier, not thebasis of the relationshipbetweenincidentandtask.
E.incidenttable is a database view of thetasktable.Incorrect– Adatabase view(DB View) isa virtual table combining data from multiple tables, butincidentis aphysical table that extendstask.
Incorrect Answer Choices Analysis:
ServiceNow Docs – Understanding Table Extensions????How Tables Extend in ServiceNow
ServiceNow Docs – Task Table and its Extensions????ServiceNow Task Table Overview
Official ServiceNow Documentation References:
Conclusion:The correct answer is:
C.incidenttable is extended from thetasktable.
Theincidenttable inherits fields from thetasktable, making ita specialized version of a taskin ServiceNow.
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