What is the
relationship between the $match and $group stages in MongoDB aggregation?

Question

Accepted Answer

The $match
stage is used to filter documents before they are passed to the $group stage
for grouping.

Answer

The $match
stage is used to perform mathematical calculations on the grouped data from the
$group stage.

Answer

The $match
stage is used to sort the documents before they are grouped by the $group
stage.

Answer

The $match
stage is used to join multiple collections together before grouping them with
the $group stage.

Answer

The $match
stage is used to specify the grouping criteria within the $group stage.

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