SkySutra, Part 12: downloads

skysutra_share.sql
    Lessons 12.1 to 12.3: the duality view, the API, the observing plan
skysutra-app-course.sql
    The whole app at the end of Part 12, to import next to yours
IMPORT.txt
    Scripts, import, and what to set afterwards

The lesson's Before you start says what to run, in what order.
https://kathuko.com/apex2/part-12/
