A relational schema A. is the same for every tuple in a relation B. can be different for different tuples C. must be lossless D. includes functional dependencies

Hyperactive media sales has 10 windows 7 laptop computers used by sales-people in the organization. each laptop computer has several customized applications that are used during the sales process as well as customer relationship management software. all of the applications on the laptops are difficult to configure and have large data files. if all of the laptops have current hardware, what is the easiest way to install windows 10 on them?

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Best laptops for college [$100-$500 range]?