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How can referential integrity be enforced in a database?
Domain integrity defines the valid values and data types for
in a database.
Domain Integrity
What are the benefits of maintaining data integrity in a database?
Entity Integrity
Cascade delete is a feature that automatically
all related records when a parent record is deleted.
What are the consequences of orphaned data in a database?
Cascade Delete
What happens to related data when cascade delete is enabled?
integrity constraint
What is data integrity?
Referential Integrity
Referential integrity ensures that relationships between
are preserved.
Referential integrity ensures that
key values in a database always match a primary key value in another table.
Entity integrity ensures that each
in a database has a unique identifier.
What is orphaned data?
What can happen if referential integrity is violated in a database?
An
record is a record in a database that references a non-existent entity.
In database systems, redundant data refers to the
of data.
data anomaly
