[Solved] Which of the following is the correct JSON structure for a basic Elasticsearch match_all query? - Ans: { "query": { "match_all": {} } } | Elasticsearch

Elasticsearch - Basics and Architecture

Which of the following is the correct JSON structure for a basic Elasticsearch match_all query?

A{ "query": { "match": "all" } }

B{ "match_all": { "query": {} } }

C{ "query": { "match_all": {} } }

D{ "match": { "all": {} } }

Step-by-Step Solution

Solution:

Step 1: Recall the match_all query format
The match_all query is nested inside the query field with empty braces.
Step 2: Check each option's structure
Only { "query": { "match_all": {} } } correctly places match_all inside query with empty braces.
Final Answer:
{ "query": { "match_all": {} } } -> Option C
Quick Check:
Correct match_all syntax = { "query": { "match_all": {} } } [OK]

Quick Trick: Always nest match_all inside query [OK]

Common Mistakes:

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Which of the following is the correct JSON structure for a basic Elasticsearch match_all query?