Inventory must support constrained joins for current device-to-site ownership, while thirty days of poll samples need append-and-window queries. Access patterns fight inside one engine. What is the honest evaluation using only the official database-type families?
Select an answer to reveal the explanation.
Short Explanation
Sometimes city hall needs both a property ledger and a rainfall gauge—two tools, not one magical filing cabinet. When inventory joins and time-window samples conflict, pick two official types. Do not invent a sixth kind of database for the exam.
Full Explanation
DEVCOR topic 1.8 enumerates relational, document, graph, columnar, and time series. Mixed access patterns may correctly map to two of those five instead of a single compromised store. Invented hybrid product names or unrelated Webex attachment storage are outside the official evaluation.