Under a not-used-recently (NUR) page-replacement strategy, the best page to replace (if available) is one that has ________.
a) been referenced but not modified
b) been both referenced and modified
c) not been referenced but has been modified
d) been neither referenced nor modified
d) been neither referenced nor modified
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When using the ____________ operator, if one operand is a number and the other operand is a string, the number will be implicitly converted to a string, and both operands will be concatenated.
a. & b. * c. / d. +
Each storage device on your PC is identified by a unique device ____________________.
Fill in the blank(s) with the appropriate word(s).
Present a diagrammatic representation of the typical architecture and main components of a data warehouse.
What will be an ideal response?
Which of the following is a likely primary key?
A) First name B) Date of birth C) Last name D) Student ID number