Which of the following describes a scenario in which a database administrator would use a relational database rather than a non-relational database?

A company is launching a proof-of-concept, cloud-based application. One of the requirements is to select a database engine that will allow administrators to perform quick and simple queries on unstructured data. Which of the following would be best suited for this task?

A company needs information about the performance of users in the sales department. Which of the following commands should a database administrator use for this task?

Which of the following can be used to protect physical database appliances from damage in a server room? (Choose two.)

Which of the following database structures is a type of NoSQL database?