Announcement: New 4th edition of MongoDB aggregations book

I’m pleased to announce the new 4th edition of my book Practical MongoDB Aggregations:

This adds new content about MongoDB Aggregations including:

New Atlas Search examples:

  • Compound Text Search Criteria
  • Facets And Counts Text Search
  • New $search & $searchMeta stages in the Cheatsheet

MongoDB 6.0 new aggregations enhancements:

  • Sharded $lookup & $graphLookup
  • 3 new stages: $documents, $fill, $densify