Filtering a top subset (Lab Only)
In this lab, you will learn how to use the aggregation framework to filter data, specifically to find the top subset of the data you are working with.

Davenson Lombard | Senior Software Engineer, University Platform
Davenson Lombard is a Senior Software engineer at MongoDB on the Education Team. Prior to that, Davenson was a Technical Services Engineer at MongoDB and a Customer Success architect at Confluent. Davenson holds a Bachelor in Electrical Engineering from Concordia University in Montreal.

Paul Done | Field CTO, Modernization Factory
Paul Done is a distinguished Solutions Architect for Europe, Middle-East & Africa having joined MongoDB in 2013. He works across many strategic initiatives for MongoDB. Paul’s past includes roles in Engineering (C++ & Java) and then Consulting, where he spent most of the "noughties" building Java EE-based solutions on WebLogic, fronting relational database systems, like Oracle RAC, and fighting ORMs like Hibernate, Toplink & JPA.

Eoin Brazil | Staff Engineer
Eoin Brazil is a staff engineer at MongoDB. He works on various online and instructor-led training products as well as a variety of technical projects within the Education department and previously held various positions in the technical services support organization within MongoDB. Eoin holds a Ph.D. and an MSc in computer science from the University of Limerick and a PgDip in technology commercialization from the National University of Ireland, Galway. Eoin is co-author of MongoDB - The Definitive Guide 3rd Ed. from O'Reilly Media.