Book Version History

A summary of the significant additions in each major version of this book.

Version 7.0 (released in July 2023)

Array Fields Joining example chapter
Role Programmatic Restricted View example chapter

No version 6.0 existed - skipped straight to version 7.0 to align with the latest MongoDB version

Version 5.0 (released in November 2022)

State Change Boundaries example chapter
Array Element Grouping example chapter
Comparison Of Two Arrays example chapter

Version 4.0 (released in June 2022)

Compound Text Search Criteria example chapter
Facets And Counts Text Search example chapter
Create Atlas Search Index appendix

Version 3.0 (released in October 2021)

Advanced Use Of Expressions For Array Processing guide chapter
Summarising Arrays For First, Last, Min, Max & Average example chapter
Pivot Array Items By A Key example chapter
Array Sorting & Percentiles example chapter

Version 2.0 (released in July 2021)

Version 1.0 (released in May 2021)

Introducing MongoDB Aggregations chapter
History Of MongoDB Aggregations chapter
Getting Started chapter
Getting Help chapter
Embrace Composability For Increased Productivity guide chapter
Better Alternatives To A Project Stage guide chapter
Using Explain Plans guide chapter
Pipeline Performance Considerations guide chapter
Expressions Explained guide chapter
Filtered Top Subset example chapter
Group & Total example chapter
Unpack Arrays & Group Differently example chapter
One-to-One Join example chapter
Multi-Field Join & One-to-Many example chapter
Strongly-Typed Conversion example chapter
Convert Incomplete Date Strings example chapter
Faceted Classification example chapter
Largest Graph Network example chapter
Incremental Analytics example chapter
Redacted View example chapter
Mask Sensitive Fields example chapter