[Solved] Which of the following is the correct syntax for a prefix query in Elasticsearch? - Ans: { "prefix": { "field_name": "pre" } } | Elasticsearch

Elasticsearch - Basic Search Queries

Which of the following is the correct syntax for a prefix query in Elasticsearch?

A{ "prefix": { "field_name": "pre" } }

B{ "wildcard": { "field_name": "pre*" } }

C{ "match": { "field_name": "pre*" } }

D{ "term": { "field_name": "pre*" } }

Step-by-Step Solution

Solution:

Step 1: Identify prefix query syntax
Prefix queries use the prefix keyword with the field and the prefix string.
Step 2: Check other options
Wildcard queries use wildcard, match and term queries do not support prefix syntax with asterisk.
Final Answer:
{ "prefix": { "field_name": "pre" } } -> Option A
Quick Check:
prefix query uses "prefix" keyword [OK]

Quick Trick: Prefix queries use "prefix" keyword, not wildcard or match [OK]

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Which of the following is the correct syntax for a prefix query in Elasticsearch?