Update many documents

javascript

db.products.updateMany({ category: "accessories" }, { $set: { featured: true } })

Explanation

Great for backfills and bulk flag changes.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Modify selected fields without replacing the whole document.

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Swap the entire document body.

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Remove the first matching document.

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Remove all matching documents.

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Insert the document if no match exists.

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Create a single document.

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