Even if it's always better to explicit things, in programming we have often the possibility to let the computer to guess. Spark SQL also has this level of intelligence, for example during schema resolving.
You want to learn data engineering but have no idea where and how to start in this wide domain? Check if Become a Data Engineer can help you 💪
📚 Newsletter
Get new posts, recommended reading and other exclusive information every week. SPAM free - no 3rd party ads, only the information about waitingforcode! Curious about the content ? Check some of already sent newsletters