If an Elasticsearch mapping defines a field "tags" as "type": "keyword", what will be the behavior when searching for partial matches on "tags" values?

medium📝 query result Q5 of 15

Elasticsearch - Index Management

APartial matches will not work because keyword fields are not analyzed

BPartial matches will work only if the field is numeric

CPartial matches will work because keyword fields are analyzed

DPartial matches will work only if the field is a date

Step-by-Step Solution

Solution:

Step 1: Understand keyword field behavior
Keyword fields are not analyzed, so they store exact values.
Step 2: Effect on partial matching
Because they are not analyzed, partial matches do not work on keyword fields.
Final Answer:
Partial matches will not work because keyword fields are not analyzed -> Option A
Quick Check:
Keyword fields = no partial match [OK]

Quick Trick: Keyword fields store exact values, no partial search [OK]

Common Mistakes:

MISTAKES

Assuming keyword fields are analyzed
Confusing keyword with text
Thinking numeric or date affects partial match

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If an Elasticsearch mapping defines a field "tags" as "type": "keyword", what will be the behavior when searching for partial matches on "tags" values?

Step 1: Understand keyword field behavior

Step 2: Effect on partial matching

Final Answer:

Quick Check:

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