[Solved] Which of the following is the correct way Elasticsearch uses an inverted index? - Ans: It stores a list of documents for each unique word | Elasticsearch

Elasticsearch - Basics and Architecture

Which of the following is the correct way Elasticsearch uses an inverted index?

AIt stores documents in a tree structure

BIt stores a list of words for each document

CIt stores documents as plain text files

DIt stores a list of documents for each unique word

Step-by-Step Solution

Solution:

Step 1: Recall inverted index structure
Inverted index keeps a list of documents for each unique word found in the data.
Step 2: Match options to structure
It stores a list of documents for each unique word matches this exactly; others describe different or incorrect storage methods.
Final Answer:
It stores a list of documents for each unique word -> Option D
Quick Check:
Inverted index = word to document list [OK]

Quick Trick: Think: word first, then documents list [OK]

Common Mistakes:

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