Identify three differences between Kimball’s approach to data warehouse development and Inmon’s approach.
What will be an ideal response?
There are a number of differences between the approaches and the student is free to identify any three such
as Kimball recommends first breaking down the project into smaller parts (called data marts) whereas
Inmon does not; Kimball uses new techniques e.g. dimensional modelling whereas Inmon uses traditional
database techniques and Kimball recommends a denormalised database structure while Inmon does not and
his conforms to 3NF.
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Which of the following statements is false?
a. InputStream and OutputStream are abstract classes for performing byte-based I/O. b. Tubes are synchronized communication channels between threads. c. A filter stream provides additional functionality, such as aggregating data bytes into meaningful primitive-type units. FilterInputStream and FilterOutputStream are typically extended, so some of their filtering capabilities are provided by their concrete subclasses. d. A PrintStream performs text output. System.out and System.err are PrintStreams.
Write a function to uppercase every other word in a passed sentence. So given “The dog ran a long way,” it would output “The DOG ran A long WAY.”
What will be an ideal response?
In the accompanying figure, item 9 points to the ____.
A. Vertical scale B. Horizontal scale C. Baseline shift D. Tracking
Battery usage information for an Android device is available from the ____ tab.
A. Android OS B. Info C. Settings D. Application Manager