Which of the following correctly represents an update action in the Elasticsearch Bulk API request body?

easy📝 Syntax Q3 of 15

Elasticsearch - Document Operations

A{"update": {"_index": "users", "_id": "42"}} {"doc": {"age": 30}}

B{"update": {"_index": "users", "_id": "42"}} {"age": 30}

C{"doc": {"age": 30}} {"update": {"_index": "users", "_id": "42"}}

D{"index": {"_index": "users", "_id": "42"}} {"doc": {"age": 30}}

Step-by-Step Solution

Solution:

Step 1: Review Bulk API update syntax
Update actions require two lines: an action line and a source line with "doc" containing partial fields.
Step 2: Validate options
{"update": {"_index": "users", "_id": "42"}} {"doc": {"age": 30}} correctly shows the update action line followed by the partial document under "doc".
Final Answer:
{"update": {"_index": "users", "_id": "42"}} {"doc": {"age": 30}} -> Option A
Quick Check:
Update needs "doc" field [OK]

Quick Trick: Update actions require 'doc' field in second line [OK]

Common Mistakes:

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