You can run aggregation pipelines in the UI for deployments hosted in MongoDB Atlas.您可以在MongoDB Atlas中托管的部署的UI中运行聚合管道。
Aggregation Resources聚合资源
Aggregation Database Commands and Methods聚合数据库命令和方法The reference for the data aggregation commands, which provide the interfaces to MongoDB's aggregation capability.数据聚合命令的参考，它提供了MongoDB聚合功能的接口。Aggregation Stages聚合阶段Reference for aggregation pipeline stages. Aggregation pipelines are made up of an array of stages. Documents pass through each stage in sequence.聚合管道阶段的参考。聚合管道由一系列级组成。文件按顺序通过每个阶段。Variables in Aggregation Expressions聚合表达式中的变量Use of variables in aggregation pipeline expressions.在聚合管道表达式中使用变量。MongoDB Query Language ReferenceMongoDB查询语言参考Reference for MQL. Use MQL operators and expressions in aggregations and other MQL queries.MQL参考。在聚合和其他MQL查询中使用MQL运算符和表达式。SQL to Aggregation Mapping ChartSQL到聚合映射图An overview common aggregation operations in SQL and MongoDB using the aggregation pipeline and operators in MongoDB and common SQL statements.概述SQL和MongoDB中使用MongoDB中的聚合管道和运算符以及常见SQL语句的常见聚合操作。Aggregation Commands Comparison聚合命令比较A comparison ofmapReduceandaggregatecommands.mapReduce和aggregate命令的比较。Practical MongoDB Aggregations (e-book)实用的MongoDB聚合（电子书）For more information on aggregations, read the Practical MongoDB Aggregations e-book.有关聚合的更多信息，请阅读实用MongoDB聚合电子书。