MySQL interview questions part 54
MySQL interview questions part 54
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Which function is used to determine whether the variable’s value is either TRUE or FALSE?
Correct Answer is : NO
2. What will be the output of the following PHP code? title}: " .$shopProduct->getProducer() ." ({$shopProduct->price})\n"; print $str; } } $product1 = new ShopProduct( "My Antonia", "Willa", "Cather", 5.99 ); $writer = new ShopProductWriter(); $writer->write( $product1 );?>
Correct Answer is : NO
3. Which version of PHP introduced class type hints?
Correct Answer is : Null
4. Inheritance is the means by which one or more classes can be derived from a/an ___ class.
Correct Answer is : Null
5. What will be the output of the following PHP code?
Correct Answer is : Null
6. What will be the output of the following PHP code?
Correct Answer is : TRUE
7. What will be the output of the following PHP code?
Correct Answer is : Null
8. What will be the output of the following PHP code?
Correct Answer is : Null
9. What should be used to refer to a method in the context of a class rather than an object you use?
Correct Answer is : Null
10. Prior to which version of PHP did constructors took the name of the enclosing class.
Correct Answer is : Group data by column values
11. Which method or property can only be accessed from within the enclosing class? Even subclasses have no access.
Correct Answer is : WHERE
12. A mutator method is also called as..
Correct Answer is : To filter out the row values
13. A package is a set of related _________
Correct Answer is : Aggregate functions
14. Till which version of PHP, developers were forced to name their files in a global context?
Correct Answer is : COUNT
15. Which of the following can you place inside a namespace? i) classes ii) functions iii) variables
Correct Answer is : All of the mentioned
16. Which one of the following is the correct way of declaring a namespace?
Correct Answer is : GROUP BY
17. Which symbol is used to declare nested namespaces?
Correct Answer is : Aggregation of the field “name” of table “department”
18. Output of namespace main; com\getinstance\util\Debug::helloWorld() is PHP Fatal error: Class ‘main\com\getinstance\util\Debug’ not found in … Using which one of the following lines will the error be removed?
Correct Answer is : Filter out all rows whose total emp_id below 2 & Selecting those rows whose total emp_id>2
19. Which keyword can be used to fix the above error?
Correct Answer is : No
20. If I already had a Debug class in the main namespace. What will be the output of the following code?
namespace main;use com\getinstance\util\Debug;class Debug { static function helloWorld() { print "hello from main\Debug"; } } Debug::helloWorld();
Correct Answer is : Sorting your result set using column data
