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Q34 / 100
What is the difference between SQL and NoSQL databases for web apps?
Correct! Well done.
Incorrect.
The correct answer is B) SQL: structured data with complex relationships and ACID transactions (e-commerce, banking); NoSQL: flexible schema, high throughput for unstructured/semi-structured data (social feeds, caching)
B
Correct Answer
SQL: structured data with complex relationships and ACID transactions (e-commerce, banking); NoSQL: flexible schema, high throughput for unstructured/semi-structured data (social feeds, caching)
Explanation
Choose based on access patterns: complex queries/transactions → PostgreSQL, MySQL. Simple key-value lookups/caching → Redis. Document storage with flexible schema → MongoDB. Time-series → InfluxDB. Graph → Neo4j.
Progress
34/100