After looking at the ERD you developed, Charles asks you to explain the crow’s foot notation symbols he sees on the diagram.
What will be an ideal response?
Crow’s foot notation is a common method of indicating cardinality. The four examples in the following figure show how you can use various symbols to describe the relationships between entities.
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What is the default value for the "Maximum password age" setting in the Password Policy?
A. 0 days B. 30 days C. 42 days D. 45 days
Differentiate between a server and a Web server.
What will be an ideal response?
Create a document that for each professor lists the name and classes taught. (A class is identi?ed by a course code and semester.)
Use the document structure described in Exercise 15.23 to formulate the following queries in XQuery:
A laser printer is displaying a message indicating a maintenance kit is due for replacement. Which of the following will be a part of the replacement process?
A. Clean the heating element.
B. Reset the page counter.
C. Replace the print ribbon.
D. Replace the print head.