To remove multiple elements using the unset() function, you must separate each element name with a ____________________ .
Fill in the blank(s) with the appropriate word(s).
Answer: .
Computer Science & Information Technology
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Consider a relation R(A,B,C,D,E) with the following dependencies:
``` AB -> C CD -> E DE -> B ``` Is AB a candidate key of this relation? If not, is ABD? Explain your answer.
Computer Science & Information Technology
When a date is used as query criteria, the symbol ________ is placed before and after it
Fill in the blank(s) with correct word
Computer Science & Information Technology
A ________ is a website that looks and feels like a journal
A) podcast B) blog C) wiki D) client
Computer Science & Information Technology
What is the circulatory system of a business?
a. OSI b. switches c. networking d. information technology
Computer Science & Information Technology