DE-Shaw Technical Questions - Technical Questions for DE-Shaw

The DBMS acts as an interface between what two components of an enterprise-class database system?
1. Database application and the database
2. Data and the database
3. The user and the database application
4. Database application and SQL
Answer: Option A
The____condition allows a general predicate over the relations being joined.
1. On
2. Using
3. Set
4. None of these
Answer: Option A
Write a program to swap two values

: #include
int main()
{
void swap(int&, int&);
int a,b;
a=10;
b=16;
cout << “a=”<< a << “b=” << b<< “\n”;
swap(a,b);
cout << “a=”<< a << “b=” << b;
return 0;
}
void swap(int &x, int &y)
{
int temp ;
temp = x;
x=y;
y= temp ;
}
To access the services of operating system, the interface is provided by the
1. On
2. Using
3. Set
4. None of these
Answer: Option A
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Which of the following is correct declaration for a pointer to a function that returns a float?
1. float f( );
2. float *f( );
3. float (*f) ( );
4. float* (*f)( );
Answer: Option C

Technical Questions asked in DE-Shaw