Data Analysis with MongoDB Aggregation Framework培训
Introduction
What is MongoDB's Aggregation Framework?
Aggregation Framework vs Map-Reduce
Understanding Aggregation Concepts
Aggregation pipelines
MongoDB aggregation stages
Use cases and examples
Getting Started
Installing and configuring MongoDB
Exploring MongoDB Compass and Studio 3T
Basic CRUD operations
Aggregation Basics
Structure and syntax
Query conditions ($match)
Inclusion and exclusion of fields ($project)
Grouping documents ($group)
Working with arrays ($unwind)
$lookup and $graphLookup stages
Expression operators
Advanced Operations in Aggregation
Categorizing documents ($bucket)
Multi-faceted aggregations ($facet)
Accumulator expressions ($accumulator)
Writing results to a collection ($merge)
Optimizing Aggregation Pipelines
Projection optimization
Pipeline sequence optimization
Pipeline coalescence optimization
Indexes and document filters
Troubleshooting
Summary and Next Steps