Learn SQL step by step

In this course you are going to learn what is sql and what is a database. In this sql tutorial,you are going to learn how to create a table ,insert records into that table, delete any table,update and alter any table .this sql tutorial also makes clear the differences  between data definition language,data manipulation language and data control language.  Also very soon i am going to add quizzes which will be the best thing to judge yourself after taking this course.