Quiz on Referential Integrity Operations

What is the term used for the operation that violates only one construct called referential intercity?

Which Greek term is NOT associated with an operation that violates referential intercity?

Which of the following demonstrates a misunderstanding of the operation related to referential intercity?

Which option accurately represents an operation in the context of referential intercity?

Identify the Greek term that relates to an operation which does not violate referential intercity.

Referential Integrity

Referential Integrity is a database concept that ensures data consistency across multiple tables.
It dictates a relationship where foreign keys in one table should refer to existing primary keys in another table.
An operation that violates referential integrity allows for the creation of inconsistent data, potentially leading to data loss or errors.

Operations that Violate Referential Integrity

Delete Cascade is an operation that removes rows from a related table when a row in the parent table is deleted.
Update Cascade is an operation that modifies related data in a dependent table when the data in the parent table is changed.
The term 'delete cascade' directly relates to an operation that violates referential integrity.

Operations that Do Not Violate Referential Integrity

'delete restrict' is an operation that prevents the deletion of a parent table row if it has related dependent records in another table.
'delete restrict' is an operation that does not violate referential integrity.
'set null' is an operation that sets the foreign key to null when a corresponding row is deleted in the parent table.
'set null' is an operation that does not violate referential integrity.

Test your knowledge on the concept of referential integrity and its associated operations. This quiz covers various aspects, including terms and misunderstandings related to referential integrity. Challenge yourself and see how well you understand this essential database management concept.