Consult directly on the provider's platform the different webinars, guides, tips... that they offer to learn how to use and get the most out of databases.
To delve into more specific aspects, we recommend that you sign up for the different ones tailor-made courses offered by the libraries of the UPC.
EBSCO Academy 
HeyVillage 
IEEE Xplore 
Scopus 
Web of Science 
