How can you optimize a wildcard query that searches for terms starting with 'test' but also want to avoid performance issues?

hard🚀 Application Q9 of 15

Elasticsearch - Basic Search Queries

AUse a regex query instead of wildcard

BUse a wildcard query with '*test*' to cover all cases

CUse a prefix query instead of a wildcard query with 'test*'

DUse a term query with 'test*'

Step-by-Step Solution

Solution:

Step 1: Understand performance of wildcard vs prefix
Wildcard queries starting with * are slow; prefix queries are optimized for start matching.
Step 2: Choose best query for terms starting with 'test'
Prefix query with 'test' is efficient and matches terms starting with 'test'.
Final Answer:
Use a prefix query instead of a wildcard query with 'test*' -> Option C
Quick Check:
Prefix query faster than wildcard for start matches [OK]

Quick Trick: Use prefix query for start matches to improve speed [OK]

Common Mistakes:

MISTAKES

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