Q79: An enterprise is evaluating whether to use a relational or non-relational database. Which scenario best fits a non-relational (NoSQL) database like Firestore?

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An enterprise is evaluating whether to use a relational or non-relational database. Which scenario best fits a non-relational (NoSQL) database like Firestore?

1. A. Running standard SQL queries across normalized tables
2. B. Flexible schema with hierarchical document data for a mobile application
3. C. Generating financial reports with precise decimal calculations
4. D. Complex multi-table joins with strict ACID transactions

✅ Correct Answer: B. Flexible schema with hierarchical document data for a mobile application

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