C Interview Questions
Questions Answers Views Company eMail

Suppose we have a table name EMP as below. We want to perform a operation in which, I want to change name ‘SMITH’ from as ‘SMITH JAIN’. Also I want to change the name of the column from ENAME to E_NAME. EMPNO ENAME JOB MGR HIREDATE SAL 7369 SMITH Coder 7902 17-DEC-80 800 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 7521 WARD SALESMAN 7698 22-FEB-81 1250

1478

Differentiate b/w Modify and Update commands giving example.

1 2839

What's the difference between DELETE TABLE and TRUNCATE TABLE commands?

CTC,

2 3678

‘SAVEPOINT’ and ‘ROLLBACK’ is used in oracle database to secure the data comment. Give suitable examples of each with sql command.

1857

what is the difference between getch() and getche()?

Infosys,

7 26713

who is the father of c

Infosys,

4 5932

what is pointer ? what is the use of pointer?

Infosys,

6 7247

what is the difference between call by value and call by reference?

Genpact, Global Logic, Infosys,

5 7860

#include main() { int a=1; int b=0; b=++a + ++a; printf("%d %d",a,b); }

Infosys,

7 17254

How is a two dimensional array passed to function when the order of matrix is not known at complie time?

CSC,

1 2812

How can I access a memory located at certain address?

CSC,

2 4317

How can we allocate array or structure bigger than 64kb?

CSC,

2 3809

How can I read a directory in a c program?

CSC,

1 3628

How can I increase the allowable number of simultaneously open files?

CSC,

1 3684

Famous puzzles which are generally asked by companies during interviews ?

3D PLM, Yahoo,

1 13092


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Un-Answered Questions { C }

What are the 5 elements of structure?

542


write a program fibonacci series and palindrome program in c

608


explain what are actual arguments?

609


What is an array? What the different types of arrays in c?

629


What is meant by 'bit masking'?

850






Write a program of prime number using recursion.

592


What are loops in c?

527


How do you override a defined macro?

663


in case any function return float value we must declare a) the function must be declared as 'float' in main() as well b) the function automatically returned float values c) function before declared 'float' keyword d) all the above

569


What is a shell structure examples?

566


Explain what are bus errors, memory faults, and core dumps?

761


how to create duplicate link list using C???

2040


What is the code for 3 questions and answer check in VisualBasic.Net?

1666


Write a program on swapping (100, 50)

609


What is %s and %d in c?

565