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MySQL interview questions part 14
MySQL interview questions part 14
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Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Pass by reference and pass by value can’t be done simultaneously in a single function argument list.
A. 8
B. 16
C. 32
D. 64
Show Correct Answer
Correct Answer is :
16
2. Which language among the following doesn’t allow pointers?
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
3. Which is correct syntax for declaring pointer to object?
A. -1.58
B. 1.58
C. E
D. 5
Show Correct Answer
Correct Answer is :
-1.58
4. Which operator should be used to access the members of the class using object pointer?
A. 32
B. 64
C. 128
D. 16
Show Correct Answer
Correct Answer is :
64
5. How does compiler decide the intended object to be used, if more than one object are used?
A. 32
B. 64
C. 65
D. 16
Show Correct Answer
Correct Answer is :
65
6. If pointer to an object is declared, ___________
A. double precision floating point
B. single precision floating point
C. decimal integer
D. hexadecimal integer
Show Correct Answer
Correct Answer is :
double precision floating point
7. What is the size of object pointer?
A. 0b
B. 0bit
C. bit-
D. ‘bit’
Show Correct Answer
Correct Answer is :
0b
8. A pointer _________________
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
9. Pointer to a base class can be initialized with the address of derived class, because of _________
A. integer
B. floating point
C. hexadecimal
D. string
Show Correct Answer
Correct Answer is :
string
10. Can pointers to object access the private members of the class?
A. identifier-quoting character
B. string-quoting character
C. hexadecimal
D. string
Show Correct Answer
Correct Answer is :
identifier-quoting character
11. Is name of an array of objects is also a pointer to object?
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
FALSE
12. Which is the correct syntax to call a member function using pointer?
A. ‘\c’
B. ‘\r’
C. ‘\b’
D. ‘\z’
Show Correct Answer
Correct Answer is :
‘\r’
13. If pointer to an object is created and the object gets deleted without using the pointer:
A. NO_ESCAPES_SLASH
B. NO_ESCAPES_BACKSLASH
C. NO_BACKSLASH_ESCAPES
D. NO_BACKSLASH_ESCAPE
Show Correct Answer
Correct Answer is :
NO_BACKSLASH_ESCAPES
14. How can the address stored in the pointer be retrieved?
A. 65534
B. 66535
C. 65536
D. 65537
Show Correct Answer
Correct Answer is :
65536
15. What should be done to prevent changes that may be made to the values pointed by the pointer?
A. abcd and 1633837924
B. abcd and 4297383361
C. dcba and 1633837924
D. dcba and 4297383361
Show Correct Answer
Correct Answer is :
abcd and 1633837924
16. References to object are same as pointers of object.
A. 1
B. 2
C. 3
D. 4
Show Correct Answer
Correct Answer is :
2
17. Which among the following best describes polymorphism?
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
18. What do you call the languages that support classes but not polymorphism?
A. Introducers
B. CONVERT()
C. CONVERTER()
D. CONVERTS()
Show Correct Answer
Correct Answer is :
CONVERT()
19. Which among the following is the language which supports classes but not polymorphism?
A. CHAR_LENGTH()
B. LENGTH()
C. LEN()
D. SIZE()
Show Correct Answer
Correct Answer is :
LENGTH()
20. If same message is passed to objects of several different classes and all of those can respond in a different way, what is this feature called?
A. character_set_system
B. character_set_server
C. collation_server
D. character_set_database
Show Correct Answer
Correct Answer is :
character_set_system
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