EF data isolation in multi tenant system.

Benefits of Data Access Encapsulation
https://oncodedesign.com/benefits-of-data-access-encapsulation/

Data Isolation and Sharing in a Multitenant System - Part 1
https://oncodedesign.com/data-isolation-and-sharing-in-multitenant-system-part1/

Data Isolation and Sharing in a Multitenant System - Part 2
https://oncodedesign.com/data-isolation-and-sharing-in-multitenant-system-part2/