[Solved] Given this request to index a document: POST /products/_doc { "name": "Coffee Mug", "price": 12.99 } What will Elasticsearch do after this request? | Elasticsearch

Elasticsearch - Document Operations

Given this request to index a document:

POST /products/_doc
{
  "name": "Coffee Mug",
  "price": 12.99
}

What will Elasticsearch do after this request?

AIndex the document with an auto-generated ID under the 'products' index.

BReplace any existing document with ID 'products'.

CReturn an error because ID is missing.

DCreate a new index named '_doc'.

Step-by-Step Solution

Solution:

Step 1: Analyze the HTTP method and URL
The request uses POST on /products/_doc, which means index 'products' and type '_doc'.
Step 2: Understand ID assignment
Since no ID is specified, Elasticsearch generates a unique ID automatically and indexes the document.
Final Answer:
Index the document with an auto-generated ID under the 'products' index. -> Option A
Quick Check:
POST without ID = auto-generated ID [OK]

Quick Trick: POST without ID means auto ID assigned [OK]

Common Mistakes:

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