Elasticsearch - Mappings and Data Types
Which of the following is the correct way to define a keyword field in an Elasticsearch mapping?
Which of the following is the correct way to define a keyword field in an Elasticsearch mapping?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Elasticsearch field types
Elasticsearch uses "keyword" as the type for exact match fields.Step 2: Identify the correct syntax
"keyword" is the correct type name; "text" is for analyzed fields, "string" and "fulltext" are invalid types.Final Answer:
"name": { "type": "keyword" } -> Option BQuick Check:
Keyword field syntax = "name": { "type": "keyword" } [OK]
Quick Trick: Keyword type is exactly "keyword" in mapping [OK]
Common Mistakes:
MISTAKES- Using "string" instead of "keyword"
- Confusing "text" with "keyword"
- Using invalid type names like "fulltext"
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