Big Data – Blog by YY
Database v.s. Data warehouse
Questions being popped out in BIG DATA field might be, “what is the difference between database and data warehouse,” or “if I already had databases, do I really need a data warehouse? “
Actually, these questions are fair ones. The reason is the two may appear to be similar; however, there are important differences in itself, like the architecture, technology or even the usage patterns.
In this post, I will provide simpler and generic explanation between the two.
As usual, which one to choose is totally based on the need from organizations/companies/clients.