Which one of the following ensures that only valid data is stored in the database? a) Reports
b) Integrity Constraints
c) Data Dictionary
d) Views
Which one of the following ensures that only valid data is stored in the database?
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The correct answer is b) Integrity Constraints.
Explanation: Integrity constraints are rules applied to a database to ensure the accuracy and consistency of the data. They help in making sure that only valid data is stored in the database by enforcing conditions, such as primary keys, foreign keys, and unique constraints. This prevents incorrect or invalid data entries.