ServiceNow Certified System Administration Practice 2025 – All-In-One Guide to Master Your System Administration Certification!

The four types of table relationships commonly recognized in database design are one-to-one, one-to-many, many-to-many, and self-referencing relationships. Among these, one-to-one relationships occur when a single record in one table is associated with a single record in another table. One-to-many relationships occur when a record in one table can relate to multiple records in another table, but those related records only refer back to the single source record. Many-to-many relationships facilitate a connection where multiple records in one table can relate to multiple records in another table, often requiring a junction table to establish the linkage.

Given this framework, selecting an answer that implies none of the options outlining these recognized relationships would not be accurate. It's important for system administrators to recognize and grasp these foundational database principles, as they directly influence system design, data integrity, and the efficiency of data retrieval processes within ServiceNow and similar platforms.