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Operators

Query and Projection Operators

Query operators provide ways to locate data within the database and projection operators modify how data is presented.

Update Operators

Update operators are operators that enable you to modify the data in your database or add additional data.

Aggregation Framework Operators

Aggregation pipeline operations have a collection of operators avalible to define and manipulate documents in pipeline stages.

Meta-Query Operators

Query modifiers determine the way that queries will be executed.

• Query and Projection Operators
  • Comparison Query Operators
    • $gt
    • $gte
    • $in
    • $lt
    • $lte
    • $ne
    • $nin
  • Logical Query Operators
    • $or
    • $and
    • $not
    • $nor
  • Element Query Operators
    • $exists
    • $type
  • Evaluation Query Operators
    • $mod
    • $regex
    • $where
  • Geospatial Query Operators
    • $geoWithin
    • $geoIntersects
    • $near
    • $nearSphere
    • $geometry
    • $maxDistance
    • $center
    • $centerSphere
    • $box
    • $polygon
    • $uniqueDocs
  • Query Operator Array
    • $all
    • $elemMatch (query)
    • $size
  • Projection Operators
    • $ (projection)
    • $elemMatch (projection)
    • $slice (projection)
• Update Operators
  • Field Update Operators
    • $inc
    • $rename
    • $setOnInsert
    • $set
    • $unset
  • Array Update Operators
    • $ (query)
    • $addToSet
    • $pop
    • $pullAll
    • $pull
    • $pushAll
    • $push
    • $each
    • $slice
    • $sort
  • Bitwise Update Operator
    • $bit
  • Isolation Update Operator
    • $isolated
• Aggregation Framework Operators
  • Pipeline Aggregation Operators
    • $project (aggregation)
    • $match (aggregation)
    • $limit (aggregation)
    • $skip (aggregation)
    • $unwind (aggregation)
    • $group (aggregation)
    • $sort (aggregation)
    • $geoNear (aggregation)
  • Group Aggregation Operators
    • $addToSet (aggregation)
    • $first (aggregation)
    • $last (aggregation)
    • $max (aggregation)
    • $min (aggregation)
    • $avg (aggregation)
    • $push (aggregation)
    • $sum (aggregation)
  • Boolean Aggregation Operators
    • $and (aggregation)
    • $or (aggregation)
    • $not (aggregation)
  • Comparison Aggregation Operators
    • $cmp (aggregation)
    • $eq (aggregation)
    • $gt (aggregation)
    • $gte (aggregation)
    • $lt (aggregation)
    • $lte (aggregation)
    • $ne (aggregation)
  • Arithmetic Aggregation Operators
    • $add (aggregation)
    • $divide (aggregation)
    • $mod (aggregation)
    • $multiply (aggregation)
    • $subtract (aggregation)
  • String Aggregation Operators
    • $concat (aggregation)
    • $strcasecmp (aggregation)
    • $substr (aggregation)
    • $toLower (aggregation)
    • $toUpper (aggregation)
  • Date Aggregation Operators
    • $dayOfYear (aggregation)
    • $dayOfMonth (aggregation)
    • $dayOfWeek (aggregation)
    • $year (aggregation)
    • $month (aggregation)
    • $week (aggregation)
    • $hour (aggregation)
    • $minute (aggregation)
    • $second (aggregation)
    • $millisecond (aggregation)
  • Conditional Aggregation Operators
    • $cond (aggregation)
    • $ifNull (aggregation)
• Meta-Query Operators
  • Query Modification Operators
    • $comment
    • $explain
    • $hint
    • $maxScan
    • $max
    • $min
    • $orderby
    • $returnKey
    • $showDiskLoc
    • $snapshot
    • $query
    • $natural

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