Question-1) Define Indexing. Why is it needed? Answer) Indexing is a way to optimize the performance of a database by minimizing the...

Question-1) What is a file? Explain it's uses. Answer) A file is an object on a computer that stores data, information, settings, or...

Question-1) Define Deadlock. Answer) Deadlock is a condition in which a group of processes are waiting for the resources held by some...