Determine the difference in days between the first start time of a class and the last start time for a course when the course has more than one section (18 rows).
What will be an ideal response?
```
SELECT MAX(start_date_time) - MIN(start_date_time),
course_no, COUNT(course_no)
FROM section
GROUP BY course_no
HAVING COUNT(course_no) >1
```
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Describe how social engineering attacks can be avoided.
What will be an ideal response?
Excel's ________ function returns a random number from 0 to less than 1
Fill in the blank(s) with the appropriate word(s).
Match each item with the correct statement below.
A. B. Enables you to insert pictures from Bing Image Searches, your OneDrive, or Flickr. C. Command used to cut off unwanted portions of a picture. D. E. F. G. The command used to reduce the file size of a picture. H. Use to determine how text displays around a graphic. I. Use to change the size of a picture. J. Use to search for a specific type of clip art. K. To balance columns so they all end at the same point, insert a(n) ____________________ break at the end of the text. L. Use to add shapes to a SmartArt graphic. M. Use to create an organization chart or an alternating flow graphic. N. O. P. Used to add special effects or decorative text that can be used for banners or mastheads. Q. Shape of the mouse pointer when moving a picture. R. Used to add text to a SmartArt graphic.
To successfully run an e-commerce website, you would need to employ the services of which of the following professionals?
a. a network engineer and a content developer b. a web designer and a webmaster c. a network engineer and a webmaster d. a community director and web designer