Beginner
Database Management Systems
Q40 / 100
What is a NoSQL database?
Correct! Well done.
Incorrect.
The correct answer is B) A category of databases using non-relational storage models (document, key-value, column-family, graph) designed for scale and flexibility
B
Correct Answer
A category of databases using non-relational storage models (document, key-value, column-family, graph) designed for scale and flexibility
Explanation
NoSQL databases (MongoDB, Redis, Cassandra, Neo4j) sacrifice some ACID guarantees for horizontal scalability and flexible schemas. Best for unstructured data, high write throughput, or specific access patterns.
Progress
40/100