Merge branch 'master' of github.com:Choens/sql-survival-guide

Massive Freakin' Update

Pushing out changes.

Cleans up CROSS JOINs.

Improves the CROSS JOINS stuff.

Introduces CROSS JOINS, Cleans Up INNER JOINS

Basic SQL for INNER JOINS.

Introduces listings for pretty in-line code.

Introduces Listings for in-line code.

LaTeX tables have the same headers as SQL code.

Adds actual SQL code to create-tables.

Improves structure, introduces sql

Separates The Intro Stuff

Initial commit