QUESTION 2 Specify all that is true regarding the asterisk symbol * for C++. O The symbol is used for getting the memory address of a variable. O The * symbol is used for multiplication. O The symbol is use for dereferencing a pointer. O The symbolis used for decalring a pointer.

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Q: Differentiate between public-key and private cryptography. In your answer, provide instances of each…

A: The answer is given below step.

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A: There is a unique event behind this temple.

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A: XQuery is explained briefly along with its usage in the below step.

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A: Given  Data :    p=7 q=13

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A: Question. Can we use 'where' clause with 'GROUP BY' . If yes then how.

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A:

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A: Database encryption levels are mentioned.

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Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.