The position of a _____ is a non-technical position responsible for defining and implementing consistent principles for setting data standards and data definitions that apply across all the databases in an organization.
A. data analyst
B. data administrator
C. database administrator
D. data owner
Answer: B
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Notebook computers typically cost between ____ and US$4,000.
A. US$200 B. US$300 C. US$750 D. US$1,000
Given the relation Married that consists of tuples of the form a, b, where a is the husband and b is the wife, the relation Brother that has tuples of the form c, d , where c is the brother of d ,and the relation Sibling, which has tuples of the form e, f , where e and f are siblings, use SQL to de?ne the relation Brother-In-Law, where tuples have the form x , y with x being the brother-in-law of y. (Hint : This query can be represented as a union of three separate SQL queries. SQL provides the operator UNION to achieve this e?ect.)
What will be an ideal response?