You want to update multiple documents partially in a single Bulk API request. Which of the following correctly shows how to specify an update action with partial fields?

hard🚀 Application Q8 of 15

Elasticsearch - Document Operations

A{"update": {"_index": "orders", "_id": "200"}} {"status": "shipped", "tracking": "12345"}

B{"update": {"_index": "orders", "_id": "200"}} {"doc": {"status": "shipped", "tracking": "12345"}}

C{"index": {"_index": "orders", "_id": "200"}} {"status": "shipped", "tracking": "12345"}

D{"update": {"_index": "orders"}} {"doc": {"status": "shipped", "tracking": "12345"}}

Step-by-Step Solution

Solution:

Step 1: Understand update action format
Update requires an action line with _index and _id, followed by a line with "doc" containing partial fields.
Step 2: Evaluate options
{"update": {"_index": "orders", "_id": "200"}} {"doc": {"status": "shipped", "tracking": "12345"}} correctly includes _id and wraps partial fields inside "doc".
Final Answer:
{"update": {"_index": "orders", "_id": "200"}} {"doc": {"status": "shipped", "tracking": "12345"}} -> Option B
Quick Check:
Partial updates require 'doc' and _id [OK]

Quick Trick: Partial updates need 'doc' and document _id [OK]

Common Mistakes:

MISTAKES

Omitting 'doc' wrapper for partial updates
Using 'index' instead of 'update' for partial changes
Missing _id in update action

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You want to update multiple documents partially in a single Bulk API request. Which of the following correctly shows how to specify an update action with partial fields?

Step 1: Understand update action format

Step 2: Evaluate options

Final Answer:

Quick Check:

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