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Given this Elasticsearch query on an index, what does it do?

medium📝 Predict Output Q13 of 15
Elasticsearch - Index Management
Given this Elasticsearch query on an index, what does it do?
{"query": {"match": {"title": "Elasticsearch"}}}
AUpdates documents with title 'Elasticsearch'
BFinds documents where the title contains 'Elasticsearch'
CDeletes documents with title 'Elasticsearch'
DCreates a new document with title 'Elasticsearch'
Step-by-Step Solution
Solution:
  1. Step 1: Understand the query type

    The query uses 'match' which searches for documents matching the given text in the specified field.
  2. Step 2: Interpret the query action

    This query finds documents where the 'title' field contains the word 'Elasticsearch'.
  3. Final Answer:

    Finds documents where the title contains 'Elasticsearch' -> Option B
  4. Quick Check:

    Match query searches text = C [OK]
Quick Trick: Match queries find documents containing the text [OK]
Common Mistakes:
MISTAKES
  • Thinking match deletes or updates documents
  • Confusing match with document creation
  • Assuming match returns all documents

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