2024
https://habr.com/ru/companies/ibs/articles/838492/
2016
Rogov - Indices
    https://habr.com/ru/companies/postgrespro/articles/349224/
    https://habr.com/ru/companies/postgrespro/articles/346460/
    https://habr.com/ru/companies/postgrespro/articles/343488/
    https://habr.com/ru/companies/postgrespro/articles/340978/
    https://habr.com/ru/companies/postgrespro/articles/337502/
    https://habr.com/ru/companies/postgrespro/articles/333878/
    https://habr.com/ru/companies/postgrespro/articles/330544/
    https://habr.com/ru/companies/postgrespro/articles/328280/
    https://habr.com/ru/companies/postgrespro/articles/326106/
    https://habr.com/ru/companies/postgrespro/articles/326096/
????
https://www.depesz.com/tag/unexplainable
https://www.depesz.com/2021/10/22/why-is-it-hard-to-automatically-suggest-what-index-to-create
https://www.depesz.com/2010/09/09/why-is-my-index-not-being-used
https://www.depesz.com/2011/09/28/what-index-to-create