[Solved] Which of the following is the correct syntax for an exists query in Elasticsearch? - Ans: {"query": {"exists": {"field": "user"}}} | Elasticsearch

Elasticsearch - Basic Search Queries

Which of the following is the correct syntax for an exists query in Elasticsearch?

A{"query": {"exists": {"field_name": "user"}}}

B{"query": {"exists": "user"}}

C{"query": {"exists": {"value": "user"}}}

D{"query": {"exists": {"field": "user"}}}

Step-by-Step Solution

Solution:

Step 1: Recall the correct JSON structure for exists query
The exists query requires a "field" key inside its object specifying the field name.
Step 2: Match options to correct syntax
{"query": {"exists": {"field": "user"}}} matches the correct syntax: {"exists": {"field": "user"}}. Others use wrong keys or structure.
Final Answer:
{"query": {"exists": {"field": "user"}}} -> Option D
Quick Check:
Exists query syntax uses "field" key [OK]

Quick Trick: Exists query needs "field" key inside its object [OK]

Common Mistakes:

MISTAKES

Master "Basic Search Queries" in Elasticsearch

9 interactive learning modes - each teaches the same concept differently

More Elasticsearch Quizzes

Which of the following is the correct syntax for an exists query in Elasticsearch?