Your query is not clear. I suppose you are asking for the worth of the Data Science Certificate and whether it's enough or not to get a job? I will say yes, even though you need a certificate to certify and validate the skills earned. It's better to be certified, which will help you boost your chances of getting a job in the domain.
Even though the interviewers are more interested in understanding you and your technical skills. If you are searching for a good course in Data Science, check out the Data Science Masters Course from Intellipaat and also check out a customer who enrolled in this course and successfully transitioned his career from Non-Tech to the Tech sector.