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Each array declaration need not give, implicitly or explicitly, the information about

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Each array declaration need not give, implicitly or explicitly, the information about

(a) The name of array

(b) The data type of array

(c) The first data from the set to be stored

(d) The index set of the array

I got this question during an interview.

The query is from Application Performance topic in section Database Programming Techniques of Database Management

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The correct answer is (c) The first data from the set to be stored

For explanation: The operator tree has a tree like format where the evaluation starts from root of the tree.

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