You want to create an index users with a field age that should only accept whole numbers and be searchable. Which mapping is correct?

hard🚀 Application Q15 of 15

Elasticsearch - Index Management

You want to create an index users with a field age that should only accept whole numbers and be searchable. Which mapping is correct?

A{ "mappings": { "properties": { "age": { "type": "float" } } } }

B{ "mappings": { "properties": { "age": { "type": "text" } } } }

C{ "mappings": { "properties": { "age": { "type": "integer" } } } }

D{ "mappings": { "properties": { "age": { "type": "keyword" } } } }

Step-by-Step Solution

Solution:

Step 1: Understand the data type needed for age
Age is a whole number, so integer type is appropriate to store numeric whole values.
Step 2: Check searchability and field types
Text is for full text search, float allows decimals, keyword is for exact matches but not numeric operations.
Final Answer:
{ "mappings": { "properties": { "age": { "type": "integer" } } } } -> Option C
Quick Check:
Whole number field = integer type [OK]

Quick Trick: Use integer type for whole number searchable fields [OK]

Common Mistakes:

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