Datametica SQL Developer interview questions

Hiring process is very unprofessional. Recruitment is scam. HR calls you and also schedules the interview and then they reschedule multiple times. I received mail that congratulations I have been selected and they asked all the documents of mine and I was supposed to get offer letter. I waited few days and no response no offer letter. I mailed and called them and then they said they I should look for another apportunity. They should be enough professional to atleast say no to candidate and don't give any hope to candidate before having any discussion with upper management. They have no good recruitment process. Please don't have any hope until you join this company officially.