Interview Questions

Q:

In contrast to investment, consumption is

A) relatively unstable B) measurable
C) unmeasurable D) relatively stable
 
Answer & Explanation Answer: D) relatively stable

Explanation:

In contrast to investment, consumption is relatively stable.

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Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Which among the following are the capabilities of the Cursor?

A) It reads every row one by one. B) It can be parameterised and hence are flexible
C) It can be positioned to specific rows D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

All the above listed actions are the functions of cursor

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Q:

Which command displays memory usage in linux?

A) Top B) Free
C) Buffer D) Swap
 
Answer & Explanation Answer: B) Free

Explanation:

Free command displays memory usage in linux.

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Q:

What is a DB2 plan?

Answer

An application plan or package is generated by the bind to define an access path. 

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Q:

How do you call a constructor for a parent class?

Answer parent::constructor($value)
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Subject: PHP

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Q:

what is flat aggregation?

Answer

If you create an Aggregate with more than 16 characteristics, then we call that aggregate as FLAT Aggregate. When an aggregate is active then new data is not available for reporting,These aggregates are called Flat Aggregates.

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Q:

What is Overloading Polymorphism?

Answer

Overloading allows multiple functions to exist with same name but different parameters. Again if you take bike as an example, it has a function “Start” with two forms i.e. ’Auto Start’ and ’kick start’.

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Subject: Java

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Q:

Warning implicit declaration of function?

Answer

Function: A Function is a block of statement which perform some operation.



Declaring the function before using the function in program is known as implicit declaration of the function.



For Example::


int bar(void); // function (forward) declaration



int main(void) {


bar(); // bar was declared, the compiler has all the info


return foo(123); // foo not yet known; impl. decl. warning


}



// not previously declared function definition


int foo(int a) {


return a;



// previously declared function definition


int bar() {


return 321;


}

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Subject: Java
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