Question. 20 To display the number of employees working with the company. Answer: SQL>SELECT COUNT(*) FROM emp; Question.21 To display the total salaries payable to employees. Answer: SQL>SELECT SUM(sal) FROM emp; [sociallocker] Question.22 To display the maximum salary of employee working as a salesman. Answer: SQL>SELECT MAX(sal) FROM..
Question.1 Tell me the importance of a flow chart? Answer: The flow chart gives a clear graphical representation of an implemented process. This makes the system simple to understand for all persons involved in the project. Question.2 Explain briefly the use case model? Answer: The use case model requires a..
Question.1 What is the purpose of garbage collection in Java, and when is it used? Answer: The purpose of garbage collection is to identify and discard objects that are no longer needed by a program so that their resources can be reclaimed and reused. A Java object is subject to..
Question.1 What is the Java API? Answer: The Java API is a large collection of ready-made software components that provide many useful capabilities, such as graphical user interface (GUI) widgets. Question.2 Describe the principles of OOPS? Answer: There are three main principals of oops which are called Polymorphism, Inheritance and..
Question.1 Explain the purpose of load testing? Answer: Load testing is used to verify that the application operates as expected during peak usage periods or when it is utilized by a large amount of simultaneous users or handles a heavy load of transactions. Question.2 Which LoadRunner protocol is used to..