The Image.FromFile method returns an object of type ________.

a) File
b) Directory
c) Image
d) Picture
e) None of the above.


c) Image

Computer Science & Information Technology

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For each of the following queries, state whether the query is valid and for the valid ones should how each of the queries would be mapped onto a query on the underling base tables.

CREATE VIEW HotelBookingCount (hotelNo, bookingCount) AS SELECT h.hotelNo, COUNT(*) FROM Hotel h, Room r, Booking b WHERE h.hotelNo = r.hotelNo AND r.roomNo ? b.roomNo GROUP BY h.hotelNo; (a) SELECT * FROM HotelBookingCount; (b) SELECT hotelNo FROM HotelBookingCount WHERE hotelNo = ‘H001’; (c) SELECT MIN(bookingCount) FROM HotelBookingCount; (d) SELECT COUNT(*) FROM HotelBookingCount; (e) SELECT hotelNo FROM HotelBookingCount WHERE bookingCount > 1000; (f) SELECT hotelNo FROM HotelBookingCount ORDER BY bookingCount;

Computer Science & Information Technology

To append data to an existing file, use _____________ to construct a FileOutputStream for file out.dat.

a. new FileOutputStream("out.dat") b. new FileOutputStream("out.dat", false) c. new FileOutputStream("out.dat", true) d. new FileOutputStream(true, "out.dat")

Computer Science & Information Technology

Lync's calendar can be shared between team members, making it easy for each member to see when another member is free for a chat or a meeting

Indicate whether the statement is true or false

Computer Science & Information Technology

Relational expressions cannot be used to compare operands.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology