https://www.mongodb.com/zh-cn/docs/upcoming/reference/operator/aggregation/ltrim/
Use `$ltrim` in MongoDB to remove whitespace or specified characters from the beginning of a string in aggregation operations.
operator databaseltrimexpressionmanualmongodb
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/meta/
Explore the `$meta` operator in MongoDB for accessing document metadata like `textScore` and `indexKey` during aggregation and find operations.
operator databasemetaexpressionmanualmongodb
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/accumulator/
Learn how to use the `$accumulator` operator in MongoDB to define custom aggregation behavior with JavaScript functions, including syntax and examples.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/avg/
Calculate the average of numeric values using `$avg` in various aggregation stages, ignoring non-numeric values.
operator databaseavgaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/accumulator/?utm_campaign=devrel&utm_source=third-party-content&utm_medium=cta&utm_content=nosql-injection-datacamp&utm_term=tony.kim
Learn how to use the `$accumulator` operator in MongoDB to define custom aggregation behavior with JavaScript functions, including syntax and examples.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/datesubtract/
Use `$dateSubtract` to decrement a `Date()` object by specified time units, with optional timezone adjustments.
aggregation operatordatabasemanualmongodbdocs
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/bitnot/
Perform a bitwise `not` operation on an `int` or `long` value using the `$bitNot` aggregation operator.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/eq/
Compare two values using the `$eq` operator in MongoDB aggregation to check for equivalence in both value and type.
operator databaseeqexpressionmanualmongodb
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/in/
Determine if a specified value exists within an array using the `$in` aggregation operator in MongoDB.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/eq/
Compare two values using the `$eq` operator in MongoDB aggregation to check for equivalence in both value and type.
operator databaseeqexpressionmanualmongodb
https://www.mongodb.com/ko-kr/docs/upcoming/reference/operator/aggregation/hour/
Use the `$hour` operator in MongoDB to extract the hour from a date, supporting timezone adjustments.
operator databasehourexpressionmanualmongodb
https://percona.community/podcasts/12-database-on-kubernetes-operator-pitr-point-in-time-recovery/
Sergey Pronin (Percona Product Owner for Percona's Kubernetes operators) visits with the HOSS again talking about the latest releases as Percona adds...
kubernetes operatordatabasepitrpointtime
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/ceil/
Use `$ceil` in MongoDB aggregation to return the smallest integer greater than or equal to a specified number.
operator databaseceilexpressionmanualmongodb
https://www.mongodb.com/ko-kr/docs/upcoming/reference/operator/aggregation/acosh/
Calculate the inverse hyperbolic cosine of a number using the `$acosh` operator, returning results in radians or degrees.
operator databaseacoshexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/mergeobjects/
Combine multiple documents into a single document using the `$mergeObjects` operator in various aggregation stages like `$group` and `$replaceRoot`.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/datefromparts/
Construct a Date object using `$dateFromParts` by specifying year, month, day, and other date components.
aggregation operatordatabasemanualmongodbdocs
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/cos/
Calculate the cosine of a value in radians using the `$cos` operator in MongoDB aggregation.
operator databasecosexpressionmanualmongodb
https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/bottomn/
Use `$bottomN` to aggregate the lowest `n` elements in a group based on a specified sort order, preserving null values and supporting dynamic `n` values.
operator databaseaccumulatormanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/indexofarray/
Search an array for a specified value using `$indexOfArray` and return the index of its first occurrence.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/ko-kr/docs/upcoming/reference/operator/aggregation/maxn-array-element/
Retrieve the largest `n` values from an array using the `$maxN` operator in MongoDB aggregation.
operator databasemanualmongodbdocs
https://www.mongodb.com/docs/manual/reference/operator/aggregation/and/
Evaluate multiple expressions using the `$and` operator in MongoDB aggregation to return `true` if all expressions are `true`.
operator databaseexpressionmanualmongodbdocs
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/map/
Learn about the $map aggregation operator, which applies an expression to each item in an array and returns an array with the applied results.
operator databasemapexpressionmanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/bottom/
Use the `$bottom` accumulator to return the lowest element in a group based on a specified sort order in MongoDB aggregation.
operator databasebottomaccumulatormanualmongodb
https://www.mongodb.com/docs/manual/reference/operator/aggregation/subtract/
Use `$subtract` in MongoDB to calculate differences between numbers, dates, or a date and milliseconds, with examples demonstrating its syntax and behavior.
operator databasesubtractexpressionmanualmongodb
https://www.mongodb.com/pt-br/docs/upcoming/reference/operator/aggregation/lt/
Use the `$lt` operator in MongoDB to compare two values, returning true if the first is less than the second, and false otherwise.
operator databaseltexpressionmanualmongodb