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MySQL interview questions part 27
MySQL interview questions part 27
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Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Virtual functions are mainly used to achieve _____________
A. Fixed length string
B. Variable length string
C. Either Fixed or Variable length string
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Either Fixed or Variable length string
2. Which keyword is used to declare virtual functions?
A. Fixed length string
B. Variable length string
C. Either Fixed or Variable length string
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Either Fixed or Variable length string
3. Where the virtual function should be defined?
A. Char
B. Varchar
C. Both Char and Varchar
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Char
4. The resolving of virtual functions is done at ______________
A. Char
B. Varchar
C. Both Char and Varchar
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Char
5. In which access specifier should a virtual function be defined?
A. Varchar
B. Char
C. Both Varchar and Char
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar
6. Virtual functions can never be made _______________
A. Varchar
B. Char
C. Both Varchar and Char
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar
7. Virtual functions can’t be made friend function of other classes.
A. 255 bytes
B. 65, 535 bytes
C. 256 bytes
D. None of the mentioned
Show Correct Answer
Correct Answer is :
255 bytes
8. Which is must condition for virtual function to achieve runtime polymorphism?
A. 255 bytes
B. 65, 535 bytes
C. 256 bytes
D. None of the mentioned
Show Correct Answer
Correct Answer is :
255 bytes
9. Which among the following is true for virtual functions?
A. Upto 65, 535 bytes
B. Upto 256 bytes
C. Upto 65, 567 bytes
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Upto 65, 535 bytes
10. The virtual functions must be declared and defined in _____________ class and overridden in ___________ class.
A. Upto 65, 535 bytes
B. Upto 256 bytes
C. Upto 65, 567 bytes
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Upto 65, 535 bytes
11. It is __________ to redefine the virtual function in derived class?
A. Varchar
B. Varchar 3
C. Varchar2
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar2
12. If virtual function of base class is redefined in derived class then, ________________________
A. Varchar
B. Varchar 3
C. Varchar2
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar2
13. Database management systems are intended to _____________
A. SHOW CHARACTER SET;
B. SHOW;
C. CHARACTER SET;
D. None of the mentioned
Show Correct Answer
Correct Answer is :
SHOW CHARACTER SET;
14. One approach to standardization storing of data ?
A. SHOW CHARACTER SET;
B. SHOW;
C. CHARACTER SET;
D. None of the mentioned
Show Correct Answer
Correct Answer is :
SHOW CHARACTER SET;
15. The language used application programs to request data from the DBMS is referred to as the
A. Varchar(20) character set utf8;
B. Varchar(20);
C. Varchar(20) character set;
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar(20) character set utf8;
16. Report generators are used to
A. Varchar(20) character set utf8;
B. Varchar(20);
C. Varchar(20) character set;
D. None of the mentioned
Show Correct Answer
Correct Answer is :
Varchar(20) character set utf8;
17. The management information system (MIS) structure with one main computer system is called a
A. Tiny text
B. Text
C. Medium text
D. Long text
Show Correct Answer
Correct Answer is :
Long text
18. Which of the following is not true of the traditional approach to information processing
A. Tiny text
B. Text
C. Medium text
D. Long text
Show Correct Answer
Correct Answer is :
Long text
19. Choose the RDBMS which supports full fledged client server application development
A. Varchar
B. Char
C. Text type
D. Both Varchar and Char
Show Correct Answer
Correct Answer is :
Text type
20. Which of the following situation requires the use of ID-dependent entities ?
A. Varchar
B. Char
C. Text type
D. Both Varchar and Char
Show Correct Answer
Correct Answer is :
Text type
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