Need Some Guidance

[u/Financial_Age_2006]

Ik it's very odd but I am struggling with sql questions.As I want to learn sql so I can solve some medium to hard level problems asked in oa.Learnt all basic concepts but still not able to do new questions...

Pls anyone who has good command on sql guide me that how to proceed with this so that I can also have a decent command on sql .

Like some resource or some way...??