How can referential integrity be violated? Select all that apply. A primary key is inserted. A row containing a primary key is deleted. A foreign key is updated. A row containing a foreign key is deleted. A primary key is updated. A row containing a foreign key is inserted.

Referential integrity can be violated when a row containing a foreign key is deleted, as this would leave that foreign key referencing a non-existent primary key in another table. Additionally, it can also be violated if a foreign key is updated to a value that doesn’t exist in the corresponding primary key table, creating inconsistencies in the data relationships. When it comes to database management, keeping referential integrity intact is vital for maintaining the accuracy and reliability of data. It’s like making sure you have the right pieces in a puzzle; if a piece is missing or switched out, the whole picture can become confusing! Always perform checks before deleting or updating records to avoid potential pitfalls.