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C Interview Questions
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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

1965

Differentiate b/w Modify and Update commands giving example.

 1 3938

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

CTC,

2 5073

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

 2345

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

Infosys,

7 29061

who is the father of c

Infosys,

4 7357

what is pointer ? what is the use of pointer?

Infosys,

6 9207

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

Genpact, Global Logic, Infosys,

5 10356

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

Infosys,

7 19912

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

CSC,

1 3554

How can I access a memory located at certain address?

CSC,

2 5357

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

CSC,

2 4790

How can I read a directory in a c program?

CSC,

1 4420

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

CSC,

1 4542

Famous puzzles which are generally asked by companies during interviews ?

3D PLM, Yahoo,

1 13891

Post New C Questions

Un-Answered Questions { C }

what is a constant pointer in C

1172

What is the difference between a free-standing and a hosted environment?

1148

How will you find a duplicate number in a array without negating the nos ?

2135

Explain what are multibyte characters?

1196

What's a good way to check for "close enough" floating-point equality?

1163

printf(), scanf() these are a) library functions b) userdefined functions c) system functions d) they are not functions

1160

Are pointers integers in c?

1077

Is c call by value?

1021

Synonymous with pointer array a) character array b) ragged array c) multiple array d) none

1070

`write a program to display the recomended action depends on a color of trafic light using nested if statments

2135

What is a char in c?

997

Can a void pointer point to a function?

1022

What is the use of a conditional inclusion statement in C?

1063

What is the difference between mpi and openmp?

1299

difference between Low, Middle, High Level languages in c ?

2085

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