If head is a NodePtr pointer variable, write the code to make head point to new node of type Node.
Fill in the blank(s) with the appropriate word(s).
head = new Node;
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Create a view that will display name, department number, and total income (salary+commission) of each employee in department 10. Prevent change of department through the view.
Use case study databases for the following queries.
Clancy’s is also interested in graphical output for its D S S. It wants to see a graphical comparison of how many of each style of uniform are being sold each year.
a. Choose an appropriate graph style and design a graph for display that incorporates the following data:
Be sure to follow proper design conventions for displays. Use codes and a key if necessary.
b. Choose a second method of graphing that might allow the decision makers at Clancy’s to see a trend in the purchase of particular uniform styles over time. Draw a graph for display as part of the output for Clancy’s D S S. Be sure to follow proper design conventions for displays. Use codes and a key if necessary.
c. In a paragraph, discuss the differences in the two onscreen graphs you have chosen. Defend your choices.