Paper 5a

16.//What is the output of the program
#include
#include
#define sqr(a) a*a
void main()
{
int a=10,b=1,c;
c=sqr(10+1);
printf("Sqr Root of (10+1)is %d",c );
getch();
}
// A. 121
// B. 21
// c. 13
// D. Syntax Error
// Ans: B

17.//What is the output of the program
#include
#include
void main()
{
int i,j=20;
clrscr();
for(i=1;i<3;i++)
{
printf("%d,",i);
continue;
printf("%d",j);
break;
}
getch();
}
// A. 1,20
// B. 1,20,1,20
// c. 1,2
// D. 1,2,20,20
// Ans: c

18.//What is the output of the program
#include
#include
void main()
{
int i=1*4/3-27%3^2+100*0.5-(4>3?1:2);
clrscr();
printf("%d",i);
getch();
}
// A. 49
// B. compile error
// c. 51
// D. 48
// Ans: b

19.What is the output of the program
#include
#include
void main()
{
char *st1[3]= {"Hello","World","Oracle"};
*st1=st1[2];
st1[1]=*st1;
free(st1[0]);
free(st1[1]);
clrscr();
printf("%s %s %s",st1,st1[1],st1[2]);
getch();
}
// A. Garbage Garbage Oracle
// B. oracle oracle oracle
// c. Hello World Oracle
// D. Core Dump:cannot Print after freeing the
memory
// Ans: D

20.Consider the following structure =20
Struct {
int data;
struct node *prev;
struct node *next;
}NODE;

NULL <-- 5 --> 8 --> 10 --> NULL
p <-- q <-- r=20

WHAT WILL BE THE VALUE OF r-->prev-->-->next-->data
?
A. 8
B. Null
C. 5
D. 10
Ans: 10

21. what will be the output of the fallowing SELECT
statement ?
SELECT count(*)
FROM emp
Where exist (select 'X' From dept
where dept_name ='Stores'
and dept.dept_id=emp.dept_id)

A. select total number of employees belonging to
department " stores "
B. select all employees belonging to department "X"
C. select all employees belonging to department
"stores"
D. select total number of employees belonging to
department "X"

22. Denormalisation is done to=20
A. Check for Data Integrity
B. Reduce Data Redundancy
C. Intoduce Security Check
D. Increase Query performance .

23. How many columns are retrived from this query:
SELECT address1 || ',' ||address2 ||','
||address2 "Address" FROM =
employee;

A. 3
B. 2
C. 1
D. 0

24. What is the is the result of the fallowing Code
Piece=20
Insert into table A value(a1):
CREATE TABLE B AS SELECT * FROM A;
ROLLBAACK ;
A. Table B gets created with the row inserted in the
first statement.
B. Table B is not created
C. Table B gets created , but no row gets inserted
into Table A
D. Rollback throws up an exception .

25. The key word used in Oracle for string searching
is=20

A. SOUNDEX
B. DECODE
C. LIKE
D. HAVING

26. What does the ROLLBACK statement wil do in the
fool segment of =
code


PROGRAM STARTS HERE

A. Rollback Dml changes to savepoint 1
B. Rollback Dml changes to savepoint 2
C. Rollback Dml changes of the last DML
ststs. just before =
ROllback stats
D. Rollback DML changes to the place whre the
program starts

27. Which clause u use to exclude the rows before
grouping them?
A. Group By
B. Having
C. Where
D. Minus

28. Which of the following statements is not true
about views?
A. u can create a index on views
B. Views donot have permanent data
C. Views can be based on one or more tables
D. Views can be dropped without dropping
tables

29 How many JION conditions are needed in JOIN query
to avoid a =
Cartesian Product?
A. No of tables + 1
B. No of tables - 1
C. No of colums + 1
D. No of colums - 1

30. "An item could be either a component or spare ".
How can u =
represent this scenerio in a E-R=20
A. Subtype Relation
B. Arc Relation
C. Recursive Relation
D. Many to Many Relationscription