Which of the following cloud computing technologies separates a physical computing device into one or more devices, each of which can be easily used and managed to perform computing tasks?
a. Personalization
b. Visualization
c. Virtualization
d. Polymerization
c. Virtualization
Virtualization is the main enabling technology for cloud computing. It separates a physical computing device into one or more “virtual” devices (e.g., server or storage device), each of which can be easily used and managed to perform computing tasks.
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Which of the following is NOT true regarding inner joins?
A) The INNER JOIN clause is used to return only the rows that actually match based on the join predicate. B) An inner join is a join in which the values in the columns being joined are equal. C) Inner joins are subdivided into left inner joins, right inner joins, and full inner joins, depending on which table rows are shown in the dataset. D) The output of an inner join will include where the two tables intersect or overlap.
Design a join algorithm that uses a join index. De?ne the notion of a clustered join index (there are three possibilities in the case of a binary join!) and consider the e?ect of clustering on the join algorithm.
What will be an ideal response?
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
The ____ form object is a control that users tap or click to clear entries and selections on a form.
A. Reset Button B. Fieldset C. Submit Button D. Radio Button