SQL Retrieve Data Exercise

In this chapter, you will get some questions based on retrieve data commands.


1. What is select statement?
2. Write a statement to display or retrieve all records of humanresources.employee table.
3. What is different between distinct and top command?
4. Write an statement to use IN clause.
5. With detail write about SQL function Avg(), Count(), Min(), Max().
6. What is different between IN and EXISTS clause?
7. What is different between group by and compute by?
8. What is use of order by statement? Write an statement to use order by and display data in decending order.
9. Write a statement to use between clause.
10.Write something about function sum().


In this chapter, you have got some exercise questions based on retrieve data. In the next chapter you will learn about storing data.


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