https://www.mongodb.com/docs/manual/reference/operator/aggregation/gte/
$gte (expression operator) - Database Manual - MongoDB Docs
Use the `$gte` operator in MongoDB to compare two values, returning true if the first is greater than or equal to the second.
operator databasegteexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/allelementstrue/
$allElementsTrue (expression operator) - Database Manual - MongoDB Docs
Evaluate arrays using `$allElementsTrue` to return `true` if no element is `false`, including handling nested arrays and specific values like `null` and `0`.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/month/
$month (expression operator) - Database Manual - MongoDB Docs
Use the `$month` operator in MongoDB to extract the month from a date expression, with optional timezone support.
operator databasemonthexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/avg/
$avg (accumulator operator) - Database Manual - MongoDB Docs
Calculate the average of numeric values using `$avg` in various aggregation stages, ignoring non-numeric values.
operator databaseavgaccumulatormanualmongodb
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/shift/
$shift (expression operator) - Database Manual - MongoDB Docs
Explore how to use the `$shift` operator in the `$setWindowFields` stage to access values from documents at specified positions relative to the current...
operator databaseshiftexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/percentile/
$percentile (accumulator operator) - Database Manual - MongoDB Docs
Calculate percentile values using the `$percentile` operator in MongoDB aggregation stages like `$group`, `$project`, and `$setWindowFields`.
operator databasepercentileaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/last/
$last (accumulator operator) - Database Manual - MongoDB Docs
Use `$last` in aggregation to return the result of an expression for the last document in a defined order within a group.
operator databaselastaccumulatormanualmongodb
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/trim/
$trim (expression operator) - Database Manual v7.0 - MongoDB Docs
operator databasetrimexpressionmanualv7
https://www.mongodb.com/docs/manual/reference/operator/aggregation/push/
$push (accumulator operator) - Database Manual - MongoDB Docs
Explore how to use the `$push` operator in MongoDB aggregation stages to create arrays from document values.
operator databasepushaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/mod/
$mod (expression operator) - Database Manual - MongoDB Docs
Use the `$mod` operator in MongoDB to divide numbers and return the remainder, with examples demonstrating its syntax and behavior.
operator databasemodexpressionmanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/and/
$and (query predicate operator) - Database Manual - MongoDB Docs
Use the $and operator to perform a logical AND operation on expressions, selecting documents satisfying all conditions.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/ne/
$ne (expression operator) - Database Manual - MongoDB Docs
Compare two values using the `$ne` operator in MongoDB aggregation to check if they are not equivalent.
operator databaseneexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/dayofyear/
$dayOfYear (expression operator) - Database Manual - MongoDB Docs
Use `$dayOfYear` in MongoDB aggregation to return the day of the year for a date, supporting timezone adjustments.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/lastn/
$lastN (accumulator operator) - Database Manual v7.0 - MongoDB Docs
operator databaselastnaccumulatormanualv7
https://www.mongodb.com/zh-cn/docs/upcoming/reference/operator/query/box/
$box (query predicate operator) - Database Manual - MongoDB Docs
Specify a rectangle for a `$geoWithin` query using `$box` to find documents within defined grid coordinates.
operator databaseboxquerypredicatemanual
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/bottomn/
$bottomN (accumulator operator) - Database Manual - MongoDB Docs
Use `$bottomN` to aggregate the lowest `n` elements in a group based on a specified sort order, preserving null values and supporting dynamic `n` values.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/isarray/
$isArray (expression operator) - Database Manual v7.0 - MongoDB Docs
operator databaseisarrayexpressionmanualv7
https://www.mongodb.com/docs/manual/reference/operator/aggregation/stddevpop/
$stdDevPop (accumulator operator) - Database Manual - MongoDB Docs
Calculate the population standard deviation of input values using `$stdDevPop` in various aggregation stages, ignoring non-numeric values.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/update/positional/
$ (update operator) - Database Manual - MongoDB Docs
Use the positional `$` operator to update specific elements in an array without specifying their position, applicable in various MongoDB environments.
operator databaseupdatemanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/expr/
$expr (query predicate operator) - Database Manual - MongoDB Docs
Use the $expr operator to use aggregation expressions in queries. $expr allows for advanced filtering and comparison based on document fields.
operator databaseexprquerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/integral/
$integral (expression operator) - Database Manual - MongoDB Docs
Explore how to use the `$integral` operator in MongoDB to calculate the area under a curve using the trapezoidal rule within the `$setWindowFields` stage.
integral expressionoperator databasemanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/nearsphere/
$nearSphere (query predicate operator) - Database Manual - MongoDB Docs
Use the `$nearSphere` operator in MongoDB to perform geospatial queries that return documents ordered by proximity, requiring a geospatial index.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/indexofcp/
$indexOfCP (expression operator) - Database Manual - MongoDB Docs
Use `$indexOfCP` to find the UTF-8 code point index of a substring in a string, returning `-1` if not found, with optional start and end indices.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/top/
$top (expression operator) - Database Manual - MongoDB Docs
Use the `$top` operator in MongoDB to return the top value of an array.
operator databasetopexpressionmanualmongodb
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/arraytoobject/
$arrayToObject (expression operator) - Database Manual v7.0 - MongoDB Docs
operator databaseexpressionmanualv70
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/substrbytes/
$substrBytes (expression operator) - Database Manual - MongoDB Docs
Use `$substrBytes` to extract a substring from a string based on UTF-8 byte index and count, handling single and multibyte characters.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/second/
$second (expression operator) - Database Manual - MongoDB Docs
Use the `$second` operator in MongoDB to extract the second from a date, accommodating leap seconds, with optional timezone support.
operator databasesecondexpressionmanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/eq/
$eq (query predicate operator) - Database Manual - MongoDB Docs
Use the $eq operator to match documents where a field value equals a specified value. $eq helps with precise equality comparisons in MongoDB queries.
operator databaseeqquerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/denserank/
$denseRank (expression operator) - Database Manual - MongoDB Docs
Explore how to use the `$denseRank` operator in MongoDB to rank documents within partitions, handling duplicates, nulls, and missing values without gaps.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/divide/
$divide (expression operator) - Database Manual - MongoDB Docs
Use the `$divide` operator in MongoDB to divide one number by another within an aggregation pipeline, returning the result as a double or decimal.
operator databasedivideexpressionmanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/update/positional/
$ (update operator) - Database Manual - MongoDB Docs
Use the positional `$` operator to update specific elements in an array without specifying their position, applicable in various MongoDB environments.
operator databaseupdatemanualmongodbdocs
https://www.mongodb.com/ko-kr/docs/upcoming/reference/operator/aggregation/deserializeejson/
$deserializeEJSON (expression operator) - Database Manual - MongoDB Docs
Converts Extended JSON to native BSON values, preserving original data types after parsing JSON strings. Parse entire documents or specific document fields.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/mergeobjects/
$mergeObjects (accumulator operator) - Database Manual - MongoDB Docs
Combine multiple documents into a single document using the `$mergeObjects` operator in various aggregation stages like `$group` and `$replaceRoot`.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/mindistance/
$minDistance (query predicate operator) - Database Manual - MongoDB Docs
Filter geospatial query results to include only documents at least a specified distance from a center point using `$minDistance`.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/top/
$top (expression operator) - Database Manual - MongoDB Docs
Use the `$top` operator in MongoDB to return the top value of an array.
operator databasetopexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/lt/
$lt (expression operator) - Database Manual - MongoDB Docs
Use the `$lt` operator in MongoDB to compare two values, returning true if the first is less than the second, and false otherwise.
operator databaseltexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/expmovingavg/
$expMovingAvg (expression operator) - Database Manual - MongoDB Docs
Calculate the exponential moving average of numeric expressions using `$expMovingAvg` in the `$setWindowFields` stage.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/update/unset/
$unset (update operator) - Database Manual - MongoDB Docs
Learn how to delete specific fields in MongoDB documents using the $unset operator.
operator databaseunsetupdatemanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/stddevsamp/
$stdDevSamp (accumulator operator) - Database Manual - MongoDB Docs
Calculate the sample standard deviation of input values using `$stdDevSamp` in various aggregation stages, ignoring non-numeric values.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/query/geowithin/
$geoWithin (query predicate operator) - Database Manual - MongoDB Docs
Select documents with geospatial data within a specified shape using the `$geoWithin` operator, supporting various GeoJSON shapes and legacy coordinate pairs.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/rtrim/
$rtrim (expression operator) - Database Manual - MongoDB Docs
Use `$rtrim` in MongoDB to remove specified characters or whitespace from the end of a string in aggregation operations.
operator databasertrimexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/regexfind/
$regexFind (expression operator) - Database Manual - MongoDB Docs
Utilize `$regexFind` in MongoDB aggregation to match regex patterns and return details of the first match, including captured groups.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/first/
$first (accumulator operator) - Database Manual - MongoDB Docs
Use `$first` in aggregation to return the result of an expression for the first document in a group, applicable in stages like `$group` and `$setWindowFields`.
operator databasefirstaccumulatormanualmongodb
https://www.mongodb.com/docs/v6.0/reference/operator/update/rename/
$rename (update operator) - Database Manual v6.0 - MongoDB Docs
operator databaserenameupdatemanualv6
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/geometry/
$geometry (query predicate operator) - Database Manual - MongoDB Docs
Specify GeoJSON geometry for geospatial queries using `$geometry` with default or custom coordinate reference systems.
operator databasegeometryquerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/min/
$min (accumulator operator) - Database Manual - MongoDB Docs
Discover how to use the `$min` operator in various aggregation stages to find the minimum value in MongoDB collections.
operator databaseminaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/query/near/
$near (query predicate operator) - Database Manual - MongoDB Docs
Specify a point for geospatial queries using `$near` to return documents sorted by distance, requiring a geospatial index.
operator databasenearquerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/update/min/
$min (update operator) - Database Manual - MongoDB Docs
Update field values using `$min` to set a field to a specified value if it's less than the current value, applicable to numbers and dates.
operator databaseminupdatemanualmongodb
https://cydb.mathematik.uni-mainz.de/
Calabi-Yau differential operator database v.3.0 - Search results
calabi yaudifferential operatorv 30 searchdatabase
https://www.mongodb.com/docs/manual/reference/operator/aggregation/datefromstring/
$dateFromString (expression operator) - Database Manual - MongoDB Docs
Convert date/time strings to date objects using `$dateFromString` in MongoDB aggregation, with options for format, timezone, error handling, and null values.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/query/type/
$type (query predicate operator) - Database Manual - MongoDB Docs
Query MongoDB documents by data type using the $type operator, which can help you query unstructured data with unpredictable types.
operator databasetypequerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/substrcp/
$substrCP (expression operator) - Database Manual - MongoDB Docs
Extract substrings from strings using the `$substrCP` operator based on UTF-8 code points in MongoDB aggregation.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/createobjectid/
$createObjectId (aggregation) (expression operator) - Database Manual - MongoDB Docs
Learn to generate random ObjectId values in aggregation expressions.
operator databaseaggregationexpressionmanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/nin/
$nin (query predicate operator) - Database Manual - MongoDB Docs
Use the $nin query predicate operator to select documents where the specified field value is not in the given array or the field does not exist. Includes an...
operator databaseninquerypredicatemanual
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/toarray/
$toArray (expression operator) - Database Manual - MongoDB Docs
Learn how to convert a value to an array.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/v6.0/reference/operator/update/set/
$set (update operator) - Database Manual v6.0 - MongoDB Docs
Use the $set operator to replace the value of a field with the specified value. $set supports updating or creating fields at the top level, in embedded...
operator databasesetupdatemanualv6
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/elemmatch/
$elemMatch (query predicate operator) - Database Manual - MongoDB Docs
Use the $elemMatch operator to match documents with array fields containing elements that meet specified criteria.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/push/
$push (accumulator operator) - Database Manual - MongoDB Docs
Explore how to use the `$push` operator in MongoDB aggregation stages to create arrays from document values.
operator databasepushaccumulatormanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/lte/
$lte (query predicate operator) - Database Manual - MongoDB Docs
Select documents with fields less than or equal to a specified value using the `$lte` operator in MongoDB queries.
operator databaseltequerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/stddevsamp/
$stdDevSamp (accumulator operator) - Database Manual - MongoDB Docs
Calculate the sample standard deviation of input values using `$stdDevSamp` in various aggregation stages, ignoring non-numeric values.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/eq/
$eq (expression operator) - Database Manual - MongoDB Docs
Compare two values using the `$eq` operator in MongoDB aggregation to check for equivalence in both value and type.
operator databaseeqexpressionmanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/concatarrays/
$concatArrays (expression operator) - Database Manual - MongoDB Docs
Concatenate arrays using `$concatArrays` in MongoDB aggregation, returning `null` if any argument is `null` or missing.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/isnumber/
$isNumber (expression operator) - Database Manual - MongoDB Docs
Use `$isNumber` in MongoDB aggregation to check if an expression resolves to a numeric BSON type, returning true for numbers and false for other types.
operator databaseisnumberexpressionmanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/expmovingavg/
$expMovingAvg (expression operator) - Database Manual - MongoDB Docs
Calculate the exponential moving average of numeric expressions using `$expMovingAvg` in the `$setWindowFields` stage.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ko-kr/docs/upcoming/reference/operator/aggregation/sigmoid/
$sigmoid (expression operator) - Database Manual - MongoDB Docs
operator databasesigmoidexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/update/currentdate/
$currentDate (update operator) - Database Manual - MongoDB Docs
Use the $currentDate operator to set field values to the current date or timestamp.
operator databaseupdatemanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/add/
$add (expression operator) - Database Manual - MongoDB Docs
Add numbers or combine numbers with a date using the `$add` operator in MongoDB aggregation.
operator databaseaddexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/topn/
$topN (expression operator) - Database Manual - MongoDB Docs
Use the `$topN` operator in MongoDB to return the top values of an array.
operator databasetopnexpressionmanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/gt/
$gt (query predicate operator) - Database Manual - MongoDB Docs
operator databasegtquerypredicatemanual
https://www.mongodb.com/docs/manual/reference/operator/aggregation/multiply/
$multiply (expression operator) - Database Manual - MongoDB Docs
Multiply numbers using the `$multiply` operator in MongoDB aggregation to compute results from expressions resolving to numbers.
operator databasemultiplyexpressionmanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/aggregation/toobject/
$toObject (expression operator) - Database Manual - MongoDB Docs
Learn how to convert a string to an object.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/regexmatch/
$regexMatch (expression operator) - Database Manual - MongoDB Docs
Perform regex pattern matching in MongoDB aggregations using `$regexMatch` to return true or false based on match existence.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/replaceall/
$replaceAll (expression operator) - Database Manual - MongoDB Docs
Replace all instances of a search string in an input string with a replacement string using the `$replaceAll` operator in MongoDB aggregation.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/update/pop/
$pop (update operator) - Database Manual - MongoDB Docs
Use the `$pop` operator to remove the first or last element from an array in MongoDB.
operator databasepopupdatemanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/query/and/
$and (query predicate operator) - Database Manual - MongoDB Docs
Use the $and operator to perform a logical AND operation on expressions, selecting documents satisfying all conditions.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/second/
$second (expression operator) - Database Manual - MongoDB Docs
Use the `$second` operator in MongoDB to extract the second from a date, accommodating leap seconds, with optional timezone support.
operator databasesecondexpressionmanualmongodb
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/setdifference/
$setDifference (expression operator) - Database Manual - MongoDB Docs
Perform set operations with `$setDifference` to find elements unique to the first array in MongoDB aggregation.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/zh-cn/docs/upcoming/reference/operator/aggregation/mergeobjects/
$mergeObjects (accumulator operator) - Database Manual - MongoDB Docs
Combine multiple documents into a single document using the `$mergeObjects` operator in various aggregation stages like `$group` and `$replaceRoot`.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/rank/
$rank (Window Function) (expression operator) - Database Manual - MongoDB Docs
Explore how to use the `$rank` operator in MongoDB's `$setWindowFields` stage to determine document positions within partitions based on specified fields.
window functionoperator databaserankexpressionmanual
https://www.mongodb.com/es/docs/upcoming/reference/operator/update/currentdate/
$currentDate (update operator) - Database Manual - MongoDB Docs
Use the $currentDate operator to set field values to the current date or timestamp.
operator databaseupdatemanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/tsincrement/
$tsIncrement (expression operator) - Database Manual - MongoDB Docs
Use `$tsIncrement` to obtain the incrementing ordinal from a timestamp, uniquely identifying events occurring within the same second.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/update/mul/
$mul (update operator) - Database Manual - MongoDB Docs
Multiply a field's value by a number using the `$mul` operator, which can create fields and handle mixed numeric types.
operator databasemulupdatemanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/projection/positional/
$ (projection operator) - Database Manual - MongoDB Docs
Limit array contents using the positional `$` operator to return the first element matching a query condition in MongoDB.
projection operatordatabasemanualmongodbdocs
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/or/
$or (query predicate operator) - Database Manual - MongoDB Docs
Use the $or operator to perform a logical OR operation on an array of expressions and select documents that satisfy at least one of the expressions.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/maxn-array-element/
$maxN (expression operator) - Database Manual v7.0 - MongoDB Docs
operator databasemaxnexpressionmanualv7
https://www.mongodb.com/docs/manual/reference/operator/aggregation/split/index.html
$split (expression operator) - Database Manual - MongoDB Docs
Divide strings into arrays using the `$split` operator in MongoDB aggregation, specifying a delimiter to separate substrings.
operator databasesplitexpressionmanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/median/
$median (accumulator operator) - Database Manual - MongoDB Docs
Calculate the median using the `$median` operator in MongoDB aggregation stages, supporting approximate methods for large data sets.
operator databasemedianaccumulatormanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/avg/
$avg (accumulator operator) - Database Manual - MongoDB Docs
Calculate the average of numeric values using `$avg` in various aggregation stages, ignoring non-numeric values.
operator databaseavgaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/let/
$let (expression operator) - Database Manual - MongoDB Docs
Bind variables within an expression using `$let` in MongoDB aggregation to compute results based on defined conditions.
let expressionoperator databasemanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/cmp/
$cmp (expression operator) - Database Manual - MongoDB Docs
Compare two values using the `$cmp` operator in MongoDB aggregation, returning -1, 0, or 1 based on their relationship.
operator databasecmpexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/strlenbytes/
$strLenBytes (expression operator) - Database Manual - MongoDB Docs
Calculate the number of UTF-8 encoded bytes in a string using the `$strLenBytes` operator in MongoDB aggregation.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/aggregation/createobjectid/
$createObjectId (aggregation) (expression operator) - Database Manual - MongoDB Docs
Learn to generate random ObjectId values in aggregation expressions.
operator databaseaggregationexpressionmanualmongodb
https://www.mongodb.com/zh-cn/docs/upcoming/reference/operator/update/rename/
$rename (update operator) - Database Manual - MongoDB Docs
Rename fields in MongoDB documents using the `$rename` operator, which updates field names and handles embedded documents.
operator databaserenameupdatemanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/aggregation/percentile/
$percentile (accumulator operator) - Database Manual - MongoDB Docs
Calculate percentile values using the `$percentile` operator in MongoDB aggregation stages like `$group`, `$project`, and `$setWindowFields`.
operator databasepercentileaccumulatormanualmongodb
https://www.mongodb.com/es/docs/upcoming/reference/operator/query/geointersects/
$geoIntersects (query predicate operator) - Database Manual - MongoDB Docs
Select documents with geospatial data intersecting a specified GeoJSON object using the `$geoIntersects` operator.
operator databasequerypredicatemanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/shift/
$shift (expression operator) - Database Manual - MongoDB Docs
Explore how to use the `$shift` operator in the `$setWindowFields` stage to access values from documents at specified positions relative to the current...
operator databaseshiftexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/max/
$max (accumulator operator) - Database Manual - MongoDB Docs
Discover how to use the `$max` operator in various aggregation stages to find the maximum value in MongoDB collections.
operator databasemaxaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/lte/
$lte (expression operator) - Database Manual - MongoDB Docs
Use the `$lte` operator in MongoDB to compare two values, returning true if the first is less than or equal to the second.
operator databaselteexpressionmanualmongodb
https://www.mongodb.com/ja-jp/docs/upcoming/reference/operator/aggregation/toarray/
$toArray (expression operator) - Database Manual - MongoDB Docs
Learn how to convert a value to an array.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/size/
$size (expression operator) - Database Manual - MongoDB Docs
Learn about the $size aggregation operator, which counts and returns the total number of items in an array.
operator databasesizeexpressionmanualmongodb