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Select SAL from EMP E1 where 3 > ( Select count(*) from Emp E2
where E1.SAL > E2.SAL ) will retrieve
a] 3500,5000,2500
b] 5000,2850
c] 2850,5750
d] 5000,5750
Ans : A
72. Is it possible to modify a Datatype of a column when column
contains
data ?
a] Yes
b] No
Ans B
73. Which of the following is not correct about a View ?
a] To protect some of the columns of a table from other users
b] Ocuupies data storage space
c] To hide complexity of a query
d] To hide complexity of a calculations
Ans : B
74. Which is not part of the Data Definiton Language ?
a] CREATE
b] ALTER
c] ALTER SESSION
Ans : C
75. The Data Manipulation Language statements are
a] INSERT
b] UPDATE
c] SELECT
d] All of the above
Ans : D
76. EMPNO ENAME SAL
A822 RAMASWAMY 3500
A812 NARAYAN 5000
A973 UMESH
A500 BALAJI 5750
Using the above data
Select count(sal) from Emp will retrieve
a] 1
b] 0
c] 3
d] None of the above
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