Describe Use Cases and Features of Various NoSQL Tools DATA-ENGINEERING-OPTIMIZE Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which feature is a defining characteristic of document-oriented NoSQL databases like MongoDB?

   • AFlexible schema that allows each document to have a different structure
   • BData is stored as key-value pairs with no support for nested structures
   • CData is stored in fixed tables with strict column definitions
   • DData is organized by columns to optimize for analytical queries
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which NoSQL database category organizes data by columns rather than by rows, making it well-suited for large-scale analytical workloads?

   • AColumn-family store
   • BGraph database
   • CDocument store
   • DKey-value store
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   A social network application needs to analyze connections between users, such as friends-of-friends and influence paths. Which NoSQL category is most appropriate for this use case?

   • ADocument store
   • BColumn-family store
   • CKey-value store
   • DGraph database
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   An application requires extremely low-latency reads and writes for a simple lookup pattern, such as retrieving a user's session by session ID. Which NoSQL tool is most appropriate?

   • AMongoDB
   • BCassandra
   • CNeo4j
   • DRedis
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which NoSQL database category is best suited for storing data as flexible JSON-like documents that can vary in structure from one record to another?

   • AGraph database
   • BKey-value store
   • CColumn-family store
   • DDocument store
   Reveal Solution Discussion Select an answer first