Computer Science for IGCSE & O level - Databases (Section 4 - No. 26)
What is data normalization primarily used for in database design?
To improve query speed.
To reduce data redundancy and improve data integrity.
To increase the number of tables.
To make the database easier to backup.
Объяснение
Data normalization is a process that reduces data redundancy and improves data integrity by organizing data into tables and defining relationships between those tables.