MySQL Interview Questions - 25 | Snaprecruit.com

MySQL Interview Questions - 25 | Snaprecruit.com

MySQL interview questions part 25

MySQL interview questions part 25

Take as many assements as you can to improve your validate your skill rating

Total Questions: 20

1. How many types of inheritance can be used at a time in single program?

Correct Answer is : FLUSH LOGS

2. Which type of inheritance results in diamond problem?

Correct Answer is : mysqlimport

3. If 6 classes uses single level inheritance with pair classes (3 pairs), which inheritance will this be called?

Correct Answer is : mysqldump

4. Which among the following is correct for the following code? class A { public : class B { public : B(int i): data(i) { } int data; } }; class C: public A { class D:public A::B{ }; };

Correct Answer is : –silent

5. If class A has two nested classes B and C. Class D has one nested class E, and have inherited class A. If E inherits B and C, then:

Correct Answer is : $rows

6. In hierarchical inheritance, all the classes involve some kind of inheritance. (True/ False)

Correct Answer is : TRUE

7. Which type of inheritance cannot involve private inheritance?

Correct Answer is : Natural language

8. How many classes can be inherited by a single class in multiple inheritance (C++)?

Correct Answer is : mysqld

9. How many classes can be inherited by a single class in java?

Correct Answer is : 1

10. If multi-level inheritance is used, First class B inherits class A, then C inherits B and so on. Till how many classes can this go on?

Correct Answer is : TRUE

11. How many types of member functions are possible in general?

Correct Answer is : user

12. Simple member functions are ______________________

Correct Answer is : procs_priv

13. What are static member functions?

Correct Answer is : GRANT

14. How can static member function can be accessed directly in main() function?

Correct Answer is : FALSE

15. Correct syntax to access the static member functions from the main() function is:

Correct Answer is : TRUE

16. What are const member functions?

Correct Answer is : IN and NOT IN

17. Which among the following best describes the inline member functions?

Correct Answer is : column

18. What are friend member functions (C++)?

Correct Answer is : TRUE

19. What is the syntax of a const member function?

Correct Answer is : DISTINCT

20. Which keyword is used to make a nonmember function as friend function of a class?

Correct Answer is : ALL

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