SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations. Buy SQL Books from Amazon at
Watch this Video to learn basics of SQL.

This Video covers below topics about SQL.

0:01 What is SQL?
2:07 Creating a Table and Inserting Data
5:52 Querying The Table
8:03 Aggregating Data
11:24 Queries with AND OR
15:59 Querying IN subqueries
21:22 Restricting Grouped Results with HAVING
25:52 Calculating results with CASE
31:51 JOINing tables
37:15 Joining related tables with left outer joins
41:21 Changing Rows with UPDATE and DELETE
45:54 ALTERing tables after creation
49:51 Joining tables to themselves with self joins
53:50 Combining multiple joins

By watching this Video we can learn how to use #SQL to store, query, and manipulate data.

And, you can watch the original interactive talk-through on Khan Academy, where you can pause and edit the code and see the code in better resolution at or learn SQL from

I created this video with the YouTube Video Editor ( with creative commons permission videos provided by Khan Academy Computer Science

Basic SQL Questions and Answers