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Which of the following is the correct way to identify a document in Elasticsearch?

easy📝 Syntax Q12 of 15
Elasticsearch - Document Operations
Which of the following is the correct way to identify a document in Elasticsearch?
AUsing the document's file path on disk
BUsing the document's creation timestamp only
CUsing a unique document ID within an index
DUsing the document's size in bytes
Step-by-Step Solution
Solution:

  1. Step 1: Identify how documents are stored

    Documents are stored inside indexes and each has a unique ID for identification.

  2. Step 2: Eliminate incorrect options

    File paths, timestamps, or size are not used as unique identifiers in Elasticsearch.

  3. Final Answer:

    Using a unique document ID within an index -> Option C

  4. Quick Check:

    Unique ID = document identifier [OK]
Quick Trick: Unique ID inside index identifies documents [OK]
Common Mistakes:
MISTAKES
  • Confusing file path with document ID
  • Using timestamps as unique keys
  • Assuming size identifies documents

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