J'ai postulé en ligne. Le processus a pris 2 mois. J'ai passé un entretien chez Heluna Health (City of Industry, CA) en juill. 2023
Entretien
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.
Questions d'entretien [1]
Question 1
what is the difference between UNION and UNION ALL? what is correct order of HAVING, ORDER BY, GROUP BY?