The ORDER BY clause used to sort the sql query results in 

ascending or in descending order

Following are some SQL questions and answers, you may require it.

If You want to become a good web developer, 

you have to learn to write secure code perfectly. 

MySQL provides drivers for .Net enabling building database
applications by their appropriate languages.

stored procedures allow flexibility by offering capabilities like
conditional logic.a single procedure may execute a set of SQL
statements which are really complex.