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MongoDB Interview Preparation

Write Query: Merging Documents

Learn how to use MongoDB aggregation to filter documents and insert or update results into another collection efficiently.

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Question

Given the following sample documents from the products collection:

[
  {
    "_id": "a101a9c0c1f9472db1c01a11",
    "name": "Laptop",
    "category": "Computers",
    "brand": "Zenbyte",
    "price": 899,
    "stock": 34,
    "status": "Active",
...