Elasticsearch - Mappings and Data Types
What is the primary purpose of using the
nested type in Elasticsearch mappings?What is the primary purpose of using the nested type in Elasticsearch mappings?
easy🧠 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand nested type usage
The nested type allows arrays of objects to be indexed so each object can be queried independently without mixing fields from different objects.Step 2: Compare with other options
Other options describe simple objects or text fields, which are not the main purpose of nested types.Final Answer:
To allow arrays of objects to be queried independently -> Option CQuick Check:
Nested type purpose = independent querying of object arrays [OK]
Quick Trick: Nested type isolates objects in arrays for precise queries [OK]
Common Mistakes:
MISTAKES- Confusing nested with simple object type
- Thinking nested is for text indexing
- Assuming nested is for single objects only
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