Computer Science · Database Management Systems
Match LIST-I with LIST-II regarding NoSQL database types and their built-in primary indexing mechanisms: LIST-I (NoSQL Database Type) A. Key-Value Store B. Document Database C. Column-Family Store D. Graph Database LIST-II (Primary Indexing Mechanism) I. Partition key (hash) plus clustering columns II. Node labels with relationship types III. Hash-based index (O(1) lookup) IV. _id field (primary B-tree index) Choose the correct answer from the options given below:
- 1A-IV, B-III, C-II, D-I
- 2A-III, B-I, C-IV, D-II
- 3A-III, B-IV, C-I, D-II✓
- 4A-II, B-IV, C-I, D-III
Correct answer
A-III, B-IV, C-I, D-II
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