2024
Tenzor - Borovikov - Backend School for PG
    l2 - simple queries of 58:01
        https://www.youtube.com/watch?v=nf3b2QmG_jA
2023
Tenzor - Borovikov - Backend School for PG
    https://www.youtube.com/playlist?list=PLt0vzWoDuwcTdFnp-QWtx2yEvKMDlPw7l
    https://github.com/Kilor/PG-for-beginners
    l2 - complex selects of 52:53
        https://www.youtube.com/watch?v=sKzbr2mdnuQ
    l2 - simple queries of 50:33
        https://www.youtube.com/watch?v=9IrlR8McM9E
PostgresProfessional - RogovLuzanovTolmachyov - QPT13 - Query Optimization of p12
    https://postgrespro.ru/education/courses/QPT
    https://www.youtube.com/playlist?list=PLaFqU3KCWw6JW80WBHPOe-SMJD2NOjmge
2019
PostgresProfessional - RogovLuzanovTolmachyov - QPT10
    https://www.youtube.com/playlist?list=PLaFqU3KCWw6K2sTAksX5AJq4SQDN5PA1t