While learning some SQL, I stumbled upon this seemingly incorrect clause: SELECT item FROM inventory WHERE 20 => price < 500; The query does not result what was intended and should look like this: SELECT item FROM inventory WHERE price…
I have a database like this employees I try to query the latest job and salary for every employees based on latest s_from_date and t_from_date and concat it to one column "Current Employees" I try to filter it with max(s_from_date)…
Is it possible to add condition within the in clause of postgresql for example select ... where (t1.subject,t2.weight) in ((1,2),(2,3)) I want to check whether subject is 1 but weight can be >= 2 not just 2 and so on.…