1. What is the difference between insert and delete commands in MySQL?

2. Why software engineering?

3. What is database refresh?

4. What is software testing?

5. Efficient Program to identify if a string is palindrome, program to identify missing number from sequential numbers, design patterns, disposable pattern, .net framework, website traffic handling, basic concepts of asp.net mvc, performance tuning of sql server queries. Scrum mythology and how it works, different ceremonies involved in it and other behavioral stuffs.