?You might use _____ after structuring your data if you find that your dataset has missing components, out-of-range values, or other inaccuracies.
A. ?data cleansing
B. ?data visualization
C. ?data anonymization
D. ?data acquisition
Answer: A
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Generate the relational algebra, tuple relational calculus, and domain relational calculus expressions for the following queries:
(a) List all hotels. (b) List all single rooms with a price below £20 per night. (c) List the names and cities of all guests. (d) List the price and type of all rooms at the Grosvenor Hotel. (e) List all guests currently staying at the Grosvenor Hotel. (f) List the details of all rooms at the Grosvenor Hotel, including the name of the guest staying in the room, if the room is occupied. (g) List the guest details (guestNo, guestName, and guestAddress) of all guests staying at the Grosvenor Hotel.
A(n) ________ is created when a relationship between two tables based on a common field is established
Fill in the blank(s) with correct word
A(n) ________ is a set of software tools that enables managers to gather, organize, and evaluate information.
A. TPS B. MIS C. office automation system D. DSS
Along with the processor, what other device is the highest heat producer in the system?
A. BIOS chip B. Video Card C. Disk controller D. Riser Card