- Aggregation >
- Aggregation Reference
Aggregation Reference¶
- Aggregation Pipeline Quick Reference
- Quick reference card for aggregation pipeline.
- Aggregation Pipeline Operators
- Aggregation pipeline operations have a collection of operators available to define and manipulate documents in pipeline stages.
- Aggregation Commands Comparison
- A comparison of
group
,mapReduce
andaggregate
that explores the strengths and limitations of each aggregation modality. - SQL to Aggregation Mapping Chart
- An overview common aggregation operations in SQL and MongoDB using the aggregation pipeline and operators in MongoDB and common SQL statements.
- Aggregation Commands
- The reference for the data aggregation commands, which provide the interfaces to MongoDB’s aggregation capability.
- Variables in Aggregation Expressions
- Use of variables in aggregation pipeline expressions.