11 favorite places to learn SQL are here:

0. BigQuery: https://t.me/BigQuery
1. Zachary Thomas' SQL Questions https://lnkd.in/g-JJzuD
2. Select * SQL: https://selectstarsql.com/
3. Leetcode: https://lnkd.in/g3c5JGC
4. LinkedIn Learning: https://lnkd.in/gQXFc4n
5. Window Functions: https://lnkd.in/g3RtPCJ
6. HackerRank: https://lnkd.in/grv_9sB
7. W3 Schools: https://lnkd.in/gJPfrrv
8. CodeAcademy: https://lnkd.in/gT5xmpN
9. SQLZoo: https://sqlzoo.net/
10. SQL Bolt: https://sqlbolt.com/

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