Week 3 Day 1 ============ Welcome back! Today we're going to be diving into databses. We'll explore the basics of database creation and design using real world examples. #### Resources [SQL Schema Designer](http://ondras.zarovi.cz/sql/demo/) [Best practices for database design. There are more good things on this site](http://www.sqlwatchmen.com/blogs/jim/2011/03/28/best-practices-for-database-schema-design/) [10 common database design mistakes](https://www.simple-talk.com/sql/database-administration/ten-common-database-design-mistakes/) [An article about null values. The important part of this is that emptiness and null are not the same. You don't have to agree with what he says.](http://www.bennadel.com/blog/85-why-null-values-should-not-be-used-in-a-database-unless-required.htm) [High Scalability - A blog on scaling databases](http://highscalability.com/)