Learn SQL

This is a repository for anyone who wants to learn SQL.
It's an effort by Yash and Aniruddha to understand and learn "SQL".
SQL, is an International Organization for Standardization (ISO)-governed standard language that is used for database programming.
You can use all the queries laid down in this tutorial in the SQL Tryit Editor by W3Schools.


We're using the Northwind sample database provided by https://www.w3schools.com/
You can also practice on Oracle's Offical website dedicated entirely to SQL from Live SQL
On some points of the tutorial Oracle or PL/SQL Clauses and Fucntions are used. So you can download Oracle Express Edition 11g which does not require any connection with SQL Server Client and is made for the use of developers and learners, from here or else there is an online interpreter provided by TutorialsPoint with online Oracle XE 11.2.0-1.0 all built in, which include some basic tables, you can use to practice on, from here. The Tables that I found were DEPT, EMP, DUAL, SYSTEM_PRIVILEGE_MAP, TABLE_PRIVILEGE_MAP, STMT_AUDIT_OPTION_MAP, AUDIT_ACTIONS.
After the Introduction of DataBase it is adviced to use either Live SQL or Oracle.

The below picture is one of the table of database, the "Customer" table. There are many more tables available.




No copyright infringement intended and will be rectified to all parties satisfaction.