Tag: technology

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Questions Related to technology

Multiple choice technology databases

SCOTT user has grants on HR schema objects. You are connected to SCOTT schema and issued following command:Create synonym emp for hr.employees;What happens when you issue this statement?

  1. An error is generated.

  2. A public synonym is created for employees table.

  3. You create an alternative name for the employees table of HR schema in HR schema

  4. You create an alternative name for the employees table of HR schema in SCOTT schema
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology programming languages

Which of the following are true about nested class ?

  1. Nested class is a way of logically grouping classes that are only used in one place.

  2. A static nested class can refer directly to instance variables or methods defined in its enclosing class.

  3. Nested classes can lead to more readable and maintainable code.

  4. A static nested class interacts with the instance members of its outer class.
Reveal answer Fill a bubble to check yourself
A,C,D Correct answer