The ____________________ key of a table (relation) is the column or collection of columns that uniquely identifies a given row in that table.
Fill in the blank(s) with the appropriate word(s).
primary
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An organization has discovered that an employee has been harvesting credit card information from its databases and selling them to a criminal organization. The organization should:
a. Update its privacy policy b. Quietly terminate the employee c. Install a key logger and continue to monitor the employee’s actions d. Notify the owners of the compromised credit card numbers
____ arrays have both rows and columns of values.
A. Two-dimensional B. All C. One-dimensional D. Multilateral
_____ merges each of the rows in the selected range across the columns in the range.
A. Merge Build B. Merge and Center C. Merge Across D. Merge Cells
Case 2Thom has several images which he plans to use on his personal website. In order to do so, he must first optimize them. Thom has an extremely detailed and colorful drawing he wants to use on his site. Which of the following formats should he use?
A. JPEG B. GIF C. PNG D. WBMP