Grokking MongoDB
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Mongodb Aggregation $count
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The $count stage in MongoDB's aggregation framework is used to count the number of documents that pass through the pipeline. It is a simple and efficient way to obtain the count of documents that match specific criteria. This stage is often used in reporting and data validation scenarios to quickly tally the number of documents that meet certain conditions.

Syntax

{
  $count: "<field>"
}
  • $count: The operator used to specify the counting stage.
  • field: The name of the field to store the count.

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Table of Contents

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