In case you don’t want to delete the stage, you can turn off that stage from the pipeline. You can add the new stage in the pipeline by clicking the ‘+’ icon.Īny stage in the pipeline can be deleted by simply clicking the ‘delete’ icon You can write the query for the selected stage and the output for that query will be displayed on the right side for each document. In each stage, you can use any of the aggregation queries based on your use case. To view your saved pipelines, click on the ‘folder’ icon which shows the list of pipelines in your collection.Įach pipeline consists of multiple stages whereas each stage’s output is fed as the input to the next stage in the pipeline. You can create one or more pipelines in a single collection itself. You can save your pipeline by clicking the ‘Save’ icon Here, I have taken users collection for a demo. In every collection, the aggregation tab will be there in which you can perform aggregation operations for that particular collection. ‘users’ is one of the collections in the movie ticket booking system. Demo:Ĭreated a simple Movie ticket booking system for demonstration. In the MongoDB aggregation pipeline, each stage's output is given as input to the next stage. Multiple stages combine to form a single pipeline. Grouping values to provide a single outputĪggregation process the data by splitting it into multiple stages. Aggregation in MongoDB is used to process
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