Pergunta de entrevista da empresa Universal Health Services, Inc.
What SQL function always returns the number of rows.
Resposta da entrevista
Sigiloso
26 de jul. de 2016
The function count. This is when I realized the interviewers were not educated in computer science engineering or any hard science. I just happen to know the name of this function but I did not understand how this question would measure my ability to think and do complex data analysis.