SQL SUBQUERY with EXISTS and NOT EXISTS | SQL Tutorial for Beginners in Hindi

sir window function ka ek complete video layiye. jisme pura windows complete ho jaye. aap ka padhane ka tarika anokha he. bade dino se mujhe sub query samajh nehi araha tha per aap ka video dekhke doubt clear ho geya. thank you sir

bro..have you made video on recursive sub query?

Dear sir,

I need a help to write a function to return minimum date where date are passing from the aaray . Can you provide the logic