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Q:

If you are using C language to implement the heterogeneous linked list, what pointer type will you use?

Answer

The heterogeneous linked list contains different data types in its nodes and we need a link, pointer to connect them. It is not possible to use ordinary pointers for this. So we go for void pointer. Void pointer is capable of storing pointer to any type as it is a generic pointer type.

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Subject: Database Exam Prep: GATE
Job Role: Database Administration

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Q:

The FROM SQL clause is used to 

A) specify what table we are selecting or deleting data FROM B) specify search condition  
C) specify range for search condition   D) None of these
 
Answer & Explanation Answer: A) specify what table we are selecting or deleting data FROM

Explanation:
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