What about modifiers?

Included in the query  $comment, $explain, $hint, $maxScan
$max, $min, $orderBy, $returnKey
$showDiskLoc, $snapshot, $query, $natural
Example: db.customers.find({$query:{status:"AAA"}, $explain:1})
 
Outside the query  explain(), hint(), limit()
max(), min(), sort(), snapshot()
Example: db.customers.find({status:"AAA"}).sort({surname:1,firstName:1})


More info: docs.mongodb.org/manual/reference/operator/query-modifier/






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