What appears in a cell to warn that the formula or function in the cell is different than the formulas or functions in the adjacent cells?
A) a small triangle B) a red circle C) a green circle D) a black square
A
Computer Science & Information Technology
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Provide the equivalent tuple relational calculus and domain relational calculus expressions for each of the relational algebra queries given in Exercise 4.8.
a) ?hotelNo (?price ? 50 (Room) ) b) ?Hotel.hotelNo ? Room.hotelNo(Hotel ? Room) c) ?hotelName (Hotel Hotel.hotelNo ? Room.hotelNo (?price ? 50 (Room)) ) d) Guest (?dateTo ? ‘1-Jan-2007’ (Booking)) e) Hotel Hotel.hotelNo ? Room.hotelNo (?price ? 50 (Room)) ) f) ?guestName, hotelNo (Booking Booking.guestNo ? Guest.guestNo Guest) ?
Computer Science & Information Technology
Define the Linux modular architecture and discuss its advantages.
What will be an ideal response?
Computer Science & Information Technology