Tag: Aggregation
2 articles
MongoDB Aggregation: $match, $group, $project and $sort Pipelines
MongoDB aggregation framework processes documents through multi-stage pipelines, implementing complex operations similar to SQL GROUP BY, JOIN, SUM, AVG.
Elasticsearch Aggregation Practice: Metrics Aggregations & Bucket Aggregations
Covers complete practice of Metrics Aggregations and Bucket Aggregations, applicable to common Elasticsearch 7.x / 8.x versions in 2025.