Complete the sentence to explain why normalization helps avoid data anomalies.
Normalization reduces [1] by organizing data into related tables.Normalization reduces redundancy by splitting data into related tables, which avoids storing the same data multiple times.
Complete the sentence to describe how normalization prevents update anomalies.
By storing each fact only once, normalization prevents [1] anomalies.Normalization prevents update anomalies by ensuring each piece of data is stored only once, so changes happen in one place.
Fix the error in the explanation about deletion anomalies.
Normalization avoids deletion anomalies by ensuring that deleting a record does not remove [1] data unintentionally.
Deletion anomalies occur when deleting a record removes important related data. Normalization separates data to avoid this.
Fill both blanks to complete the explanation of normalization's role in data integrity.
Normalization enforces [1] by using keys and [2] to link tables correctly.
Normalization enforces data integrity by using keys and foreign keys to maintain correct relationships between tables.
Fill all three blanks to explain how normalization eliminates insertion anomalies.
Normalization allows adding new [1] without requiring [2] data and avoids [3] errors.
Normalization eliminates insertion anomalies by allowing new records without unrelated data and avoiding null errors.