How do I find orphan records?

What are orphaned records?

An orphan is someone who's parents are deceased or have permanently abandoned them. Orphan records work in a similar way. An orphan record is when a child record with a foreign key points to a parent record of a primary key field that no longer exists.

What ensures that orphaned records do not occur?

The purpose of referential integrity is to prevent orphans and keep references in sync so that this hypothetical situation never occurs. You enforce referential integrity by enabling it for a table relationship.

What is orphan data in data integrity?

ORPHAN DATA Orphan data is data that's not processed, reported or. accounted for, and auditors will want to know why it exists. A well-defined SOP with technical controls in place will. prevent someone from acquiring sample data in a project and.

What is a orphan record when we talk about the relationship between primary key and foreign key?

An orphan record is one whose foreign key FK value is not found in the corresponding entity – the entity where the PK is located.