SQL

Resources

1. http://www.sqltutorial.org/sql-cheat-sheet/

2. https://www.kdnuggets.com/2018/07/sql-cheat-sheet.html

3. https://github.com/enochtangg/quick-SQL-cheatsheet

4. https://towardsdatascience.com/sql-cheat-sheet-for-interviews-6e5981fa797b

5. http://www.fbeedle.com/sql/029-6ch03.pdf

6. https://www.w3resource.com/slides/sql-joins-slide-presentation.php

Datatypes

1. TEXT

2. INTEGER

3. REAL

4. BLOB (It is generally used for holding binary data)