Microsoft Azure Data Fundamentals DP-900 Practice Question
A team is designing a new Azure SQL Database schema. They reorganize the tables so that each non-key column depends only on the whole primary key and not on any other column. What primary goal of normalization are they trying to achieve?
Reducing data redundancy and the chance of update anomalies
Improving the backup compression ratio of the database
Enabling automatic partitioning of data across multiple databases
Guaranteeing higher input/output operations per second (IOPS) for transactions
The change described places the design in at least third normal form, where every non-key attribute depends only on the primary key. Normalization to this level removes repeating or duplicated data, which in turn reduces the risk of insert, update, and delete anomalies and helps maintain consistent, reliable information. Backup compression, automatic partitioning, and guaranteed IOPS are not direct outcomes of applying normal forms.
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Microsoft Azure Data Fundamentals DP-900
Identify considerations for relational data on Azure
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