• Home »

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..