A primary key whose value is unique across all relations is called a(n):
A) global primary key.
B) inter-table primary key.
C) enterprise key.
D) foreign global key.
C
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Which is a challenge that small service desks face?
A. They tend to be informal and therefore very reactive. B. They typically don't use technology to log and manage incidents. C. They are process dependent, which makes it stressful for analysts. D. Analysts don't have the opportunity to broaden their base of skills.
How is net cash flow calculated if depreciation is the only noncash item in a firm's income statement??
A. ?Net cash flow = Net income + Depreciation and amortization B. ?Net cash flow = Accounting profit - Depreciation and amortization C. Net cash flow = Accounting profit - Operating cash flow D. ?Net cash flow = Fixed assets + Depreciation and amortization E. ?Net cash flow = Operating cash flow - Depreciation and amortization
________ refers to determining the intervals on a measurement instrument.
A. Scaling B. Alternation ranking C. Policy capturing D. Classification
The formal specification of who reports to whom is referred to as communication networks
Indicate whether the statement is true or false.