Overview
ServiceNow uses a relational database with a unique inheritance model. Understanding tables, fields, and the data dictionary is crucial for customizing and extending the platform. This knowledge helps you make informed decisions about data structure and system performance.
Why It Matters for the Exam
Database Administration covers about 12% of the CSA exam. Questions test your knowledge of table relationships, field types, and data management. You'll need to understand when to extend versus create new tables and how to use import sets for data loading.
Key Concepts to Master
💡 Exam Tips & Strategy
Focus on table inheritance - know that task is a base table extended by incident, problem, and change_request. Understand that fields inherited from parent tables appear on all child tables. Know which field types are appropriate for different data scenarios.