Ho presentato la mia candidatura online. La procedura ha richiesto 2 mesi. Ho sostenuto un colloquio presso Heluna Health (City of Industry, CA) nel mese di lug 2023
Colloquio
applied online. this process took 2 months. first round: behavior + SQL with 2 panels second/final round: experiences on resume/background with 1 direct of IT. Second interview was awful. He is authoritarian and mean. HR team suddenly ghosted after final.
Domande di colloquio [1]
Domanda 1
what is the difference between UNION and UNION ALL? what is correct order of HAVING, ORDER BY, GROUP BY?