Hint: Utilize the AVG() function. SELECT AVG(DATEDIFF(return_date, rental_date)) AS average_duration_in_days from rental; -- Que 4)Extract the month from the rental date and display it alongside the ...

we’ll pick up where we left off with some additional functions and clauses you can use with the basic SELECT data query. SELECT options refine results As we saw in the last article, the SQL ...

It is a SQL practice repository covering basics to advanced topics. It includes exercises on SELECT statements, WHERE clauses, GROUP BY, JOINS, window functions (OVER(), PARTITION BY), ROW_NUMBER(), ...