MySQL interview questions part 13
MySQL interview questions part 13
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. How many objects can be returned at once?
Correct Answer is : mysqldbcopy
2. What will be the output of the following code? Class A { int i; public : A(int n) { i=n; cout<<”inside constructor ”; } ~A() { cout<<”destroying ”<<i; } void seti(int n) { i=n; } int geti() { return I; } }; void t(A ob) { cout<<”something ”; } int main() { A a(1); t(a); cout<<”this is i in main ”; cout<<a.geti(); }
Correct Answer is : SELECT
3. It is necessary to return the object if it was passed by reference to a function.
Correct Answer is : mysqldump
4. How many objects can be passed to a function simultaneously?
Correct Answer is : –new-storage-engine
5. If an object is passed by address, will be constructor be called?
Correct Answer is : fetchrow_hashref()
6. Is it possible that an object of is passed to a function, and the function also have an object of same name?
Correct Answer is : column name
7. Passing an object using copy constructor and pass by value are same.
Correct Answer is : fetchrow_arrayref()
8. Passing object to a function _______________
Correct Answer is : FALSE
9. The object ________________
Correct Answer is : FALSE
10. Which symbol should be used to pass the object by reference in C++?
Correct Answer is : relay log
11. If object is passed by value, ________________
Correct Answer is : DROP INDEX
12. Pass by reference of an object to a function _______________
Correct Answer is : Falcon
13. Copy constructor definition requires __________________
Correct Answer is : MyISAM
14. What is the type of object that should be specified in argument list?
Correct Answer is : my_tbl.frm
15. If an object is passed by value, _________________
Correct Answer is : FALSE
16. Can data members be passed to a function using the object?
Correct Answer is : TEMPORARY
17. What exactly is passed when an object is passed by reference?
Correct Answer is : FEDERATED
18. If the object is not to be passed to any function but the values of the object have to be used then:
Correct Answer is : TRUE
19. What will be the output if all necessary code is included (Header files and main function)? void test (Object &y) { y = "It is a string"; } void main() { Object x = null; test (x); System.out.println (x); }
Correct Answer is : HASH
20. In which type is new memory location will be allocated?
Correct Answer is : RENAME
