Final answer:
The answer to the student's question is a completeness check. It ensures all required fields in a record are filled, maintaining the database's integrity.
Step-by-step explanation:
A completeness check ensures that every required field in a record contains an entry. When designing databases or entering data, it's crucial that every piece of essential information is accounted for to maintain the integrity of the database. A completeness check verifies that no necessary fields are left blank, which can prevent errors and ensure the reliability of the information stored within the database.
A(n) completeness check ensures that every required field in a record contains an entry. It is a data validation technique used in databases to ensure that no required field is left empty. This check is important to maintain data integrity and accuracy.