A digital ________ stores the information needed to complete cryptocurrency transactions.
Fill in the blank(s) with the appropriate word(s).
wallet
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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.
Consider the following view defined on the Hotel schema: 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;
Explain the purpose of an instance variable.
What will be an ideal response?
The ________ in all the Web apps have fewer tabs and buttons than the desktop apps
Fill in the blank(s) with correct word
TS Gateway combined with NAP uses the ____________________ server to ensure that a client is compliant with the health and security policies on a network.
Fill in the blank(s) with the appropriate word(s).