The status updates you post are displayed on the home pages of your LinkedIn connections

Indicate whether the statement is true or false


TRUE

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

The ________ function converts a vertical range of cells to a horizontal range, or vice versa

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Which of the following is used to perform a SQL injection exploit?

a. Absinthe b. Amap c. SuperScan d. ObiWan

Computer Science & Information Technology

If the last octet of a Class C IP address consists of all zeroes, you are looking at the __________________.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology