Все выпуски SQL-TIL (чтобы вы могли пошарить):

postgresql edition:
1) https://t.me/nosingularity/535
2) https://t.me/nosingularity/541
3) https://t.me/nosingularity/548
4) https://t.me/nosingularity/572

snowflake edition:
5) https://t.me/nosingularity/582
6) https://t.me/nosingularity/602
7) https://t.me/nosingularity/753 и https://t.me/nosingularity/754
8) https://t.me/nosingularity/762

mix:
9) https://t.me/nosingularity/755
10) https://t.me/nosingularity/803 и https://t.me/nosingularity/804